{"id":3401,"date":"2024-03-04T08:30:00","date_gmt":"2024-03-03T23:30:00","guid":{"rendered":"https:\/\/testhagisolcojp.gptw.net\/techblog\/?p=3401"},"modified":"2024-07-17T07:42:46","modified_gmt":"2024-07-16T22:42:46","slug":"post-3401","status":"publish","type":"post","link":"https:\/\/testhagisolcojp.gptw.net\/techblog\/?p=3401","title":{"rendered":"SSD\u306e\u30bb\u30af\u30bf\u30b5\u30a4\u30ba(1\/2)\uff1a\u904e\u53bb\u3068\u73fe\u5728"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" src=\"https:\/\/testhagisolcojp.gptw.net\/techblog\/wp-content\/uploads\/2023\/09\/AdobeStock_584485889-1024x683.jpeg\" alt=\"\" class=\"wp-image-3404\"\/><\/figure>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u308b\u88fd\u54c1<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/testhagisolcojp.gptw.net\/products\/storage\" target=\"_blank\" rel=\"noreferrer noopener\">\u7523\u696d\u7528\u30b9\u30c8\u30ec\u30fc\u30b8\u88fd\u54c1(NVMe SSD, SATA SSD)<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u304a\u3053\u3068\u308f\u308a<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u306f\u3001<a rel=\"noreferrer noopener\" href=\"https:\/\/qiita.com\/ken-yossy\/items\/28c2086b1cf02ea3442d\" target=\"_blank\">2022\u5e741\u6708\u306bQiita\u306b\u6295\u7a3f\u3057\u305f\u8a18\u4e8b<\/a>\u3092\u52a0\u7b46\u4fee\u6b63\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306f\u65e5\u672c\u8a9e\u3067\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u8a18\u4e8b\u304c\u65e5\u672c\u8a9e\u4ee5\u5916\u306e\u8a00\u8a9e\u3067\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u6a5f\u68b0\u7ffb\u8a33\u306e\u7d50\u679c\u3067\u3059\u3002\u5f53\u793e\u306f\u6a5f\u68b0\u7ffb\u8a33\u306e\u7cbe\u5ea6\u306b\u8cac\u4efb\u3092\u8ca0\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u306f\u3058\u3081\u306b<\/mark><\/h2>\n\n\n\n<p>\u3000\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6(HDD)\u3084NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSolid State Drive (SSD)\u306e\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306f\u300c512\u30d0\u30a4\u30c8\u300d\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4e00\u65b9\u3001HDD\u3067\u306fAdvanced Format (AF)\u3068\u3044\u3046\u898f\u683c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u898f\u683c\u306f\u3001\u30c9\u30e9\u30a4\u30d6\u304c\u30e1\u30c7\u30a3\u30a2\u4e0a\u306e\u30c7\u30fc\u30bf\u306e\u7ba1\u7406\u306b\u4f7f\u7528\u3059\u308b\u5358\u4f4d\u30b5\u30a4\u30ba\uff08<strong>\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba<\/strong>\uff09\u304c512\u30d0\u30a4\u30c8\u3067\u306a\u304f\u3066\u3082\u30db\u30b9\u30c8\u304c\u8aad\u307f\u66f8\u304d\u3059\u308b\u5358\u4f4d\u30b5\u30a4\u30ba\uff08<strong>\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba<\/strong>\uff09\u3092512\u30d0\u30a4\u30c8\u3068\u3059\u308b\u52d5\u4f5c\u30e2\u30fc\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3053\u3067\u4eca\u56de\u304b\u30892\u56de\u306e\u8a18\u4e8b\u3067\u3001SSD\u304cNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u969b\u306e\u5358\u4f4d\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u3068\u3001\u30db\u30b9\u30c8\u304b\u3089\u306e\u8aad\u307f\u66f8\u304d\u3067\u6271\u3046\u5358\u4f4d\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304a\u3088\u3073NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\uff08SSD\u3092\u542b\u3080\uff09\u306e\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306e\u6b74\u53f2\u3092\u7c21\u5358\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001NVMe SSD\u3092\u4f8b\u306b\u6319\u3052\u3066\u3001\u5b9f\u969b\u306bSSD\u306e\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3084\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3068\u3001\u305d\u308c\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<a href=\"https:\/\/qiita.com\/ken-yossy\/items\/28c2086b1cf02ea3442d#%E3%81%BE%E3%81%A8%E3%82%81\"><\/a><\/p>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u307e\u3068\u3081<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u3001\u5f53\u521d\u306f\u30d5\u30ed\u30c3\u30d4\u30fc\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6(FDD)\u3001\u305d\u306e\u5f8c\u306fHDD\u3068\u306e\u4e92\u63db\u6027\u3092\u610f\u8b58\u3057\u305f\u305f\u3081\u3001\u305d\u306e\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u306f\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3068\u540c\u3058512\u30d0\u30a4\u30c8\uff08\uff0b\u03b1\uff09\u3060\u3063\u305f<\/li>\n\n\n\n<li>\u305d\u306e\u5f8c\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3057\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30a8\u30e9\u30fc\u7387\u60aa\u5316\u306b\u4f34\u3044\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092\u62e1\u5927<\/li>\n\n\n\n<li>\u73fe\u5728\u306eNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba512\u30d0\u30a4\u30c8\u3067\u52d5\u4f5c\u3059\u308b\u5834\u5408\u306f\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u4f5c\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u5f53\u521dFDD\u4e92\u63db\u3092\u76ee\u6307\u3057\u305f<\/mark><\/h2>\n\n\n\n<p>\u3000\u5f53\u521dNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u3001\u305d\u306e\u666e\u53ca\u306e\u305f\u3081\u3001FDD\u306e\u4e92\u63db\u30e1\u30c7\u30a3\u30a2\u3092\u6307\u5411\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u306f\u30011996\u5e74\u306b\u8a2d\u7acb\u3055\u308c\u3066\u5f8c\u306b\u300c\u30b9\u30de\u30fc\u30c8\u30e1\u30c7\u30a3\u30a2(SmartMedia)\u300d\u3068\u3044\u3046\u547c\u79f0\u3092\u7b56\u5b9a\u3057\u305f\u300cSSFDC\u30d5\u30a9\u30fc\u30e9\u30e0\u300d\u306e\u540d\u79f0\u306b\u542b\u307e\u308c\u308b&#8221;SSFDC&#8221;\u304c&#8221;Solid State Floppy Disk Card&#8221;\u306e\u7565\u3067\u3042\u308b<sup>[1]<\/sup>\u3053\u3068\u304b\u3089\u3082\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000FDD\u306e\u4e3b\u6d41\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306f512\u30d0\u30a4\u30c8\u3067\u3057\u305f\u3002\u305d\u3057\u3066\u30b9\u30de\u30fc\u30c8\u30e1\u30c7\u30a3\u30a2\u306f\u30e1\u30c7\u30a3\u30a2\u5185\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u306a\u3044\u305f\u3081NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u81ea\u4f53\u304c512\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u8aad\u307f\u66f8\u304d\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u5f53\u6642\u306eNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u306f512\u30d0\u30a4\u30c8\uff08\uff0b\u03b1\uff09\u3067\u3057\u305f<sup>[2]<\/sup>\u3002<\/p>\n\n\n\n<p>\u3000\u3064\u307e\u308a\u3053\u306e\u9803\u306f\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff1d\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff08\uff1d512\u30d0\u30a4\u30c8\uff09\u306e\u6642\u4ee3\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u306e\u5f8c\u300cPC\u30ab\u30fc\u30c9\uff08PCMCIA\u30ab\u30fc\u30c9\uff09\u300d\u3084\uff08\u5f53\u6642\u306e\uff09SanDisk\u304c\u7b56\u5b9a\u3057\u305f\u30b3\u30f3\u30d1\u30af\u30c8\u30d5\u30e9\u30c3\u30b7\u30e5\u306b\u7e4b\u304c\u308b\u6d41\u308c\u306e\u4e2d\u3067\u3001\u540c\u3058\u304f\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c512\u30d0\u30a4\u30c8\u3067\u3042\u308bHDD\u3068\u306e\u4e92\u63db\u6027\u304c\u3088\u308a\u5f37\u304f\u610f\u8b58\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u3088\u3046\u306a\u7d4c\u7def\u3067\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u304a\u3088\u3073NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308b\u30c9\u30e9\u30a4\u30d6\uff08SSD\u3092\u542b\u3080\uff09\u306f\u300c512\u30d0\u30a4\u30c8\u30bb\u30af\u30bf\u300d\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/qiita.com\/ken-yossy\/items\/28c2086b1cf02ea3442d#hdd%E3%81%AF512%E3%83%90%E3%82%A4%E3%83%88%E3%82%BB%E3%82%AF%E3%82%BF%E5%AD%98%E7%B6%9A%E3%81%B8advanced-format%E7%AD%96%E5%AE%9A\"><\/a><\/p>\n\n\n\n<h2 id=\"outline__6\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">HDD\u306f512\u30d0\u30a4\u30c8\u30bb\u30af\u30bf\u5b58\u7d9a\u3078Advanced Format\u7b56\u5b9a<\/mark><\/h2>\n\n\n\n<p>\u3000\u4e00\u65b9HDD\u306f\u3001\u5f8c\u8ff0\u3059\u308b\u7406\u7531\u306b\u3088\u308a\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092512\u30d0\u30a4\u30c8\u306e\u307e\u307e\u3068\u3059\u308b\u3053\u3068\u304c\u8f9b\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u305f\u3081\u3001\u696d\u754c\u56e3\u4f53\u306eIDEMA\u304c2010\u5e74\u306bAdvanced Format (AF)\u3068\u3044\u3046\u898f\u683c\u3092\u7b56\u5b9a\u3057\u3001\u300c<strong>512\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3(512e)<\/strong>\u300d\u3084\u300c<strong>4K\u30cd\u30a4\u30c6\u30a3\u30d6(4Kn)<\/strong>\u300d\u306a\u3069\u306e\u52d5\u4f5c\u30e2\u30fc\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f<sup>[3]<\/sup>\u3002<\/p>\n\n\n\n<p>\u3000AF\u306e\u8aac\u660e\u306f\u3001Western Digital\u306e\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\uff08\u82f1\u8a9e\uff09<sup>[4]<\/sup>\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u3053\u306e\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\u306f2018\u5e74\u4f5c\u6210\u3067\u3042\u308a\u767b\u5834\u3059\u308bOS\u306f\u591a\u5c11\u53e4\u3044\u3067\u3059\u304c\u3001\u80cc\u666f\u3092\u542b\u3081\u3066AF\u306e\u8aac\u660e\u304c\u826f\u304f\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u3053\u3067\u306f\u3001SSD\u306e\u8aac\u660e\u306b\u5fc5\u8981\u306a\u5185\u5bb9\u3092\u4e2d\u5fc3\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__6_1\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u300c\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff1d\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u300d\u306e\u5834\u5408(512n)<\/mark><\/h3>\n\n\n\n<p>\u3000HDD\u3067\u306f\u3001\u30e1\u30c7\u30a3\u30a2\uff08\u78c1\u6c17\u30c7\u30a3\u30b9\u30af\uff09\u4e0a\u306e\u30c7\u30fc\u30bf\u306e\uff08\u4e00\u6b21\uff09\u4fdd\u8b77\u306b\u3001512\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u3068\u3053\u306e\u30c7\u30fc\u30bf\u304b\u3089\u751f\u6210\u3057\u305f\u30d1\u30ea\u30c6\u30a3\u304b\u3089\u6210\u308b\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001\u6b63\u78ba\u306b\u306f512\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u306b\u52a0\u3048\u3066\u305d\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u5fdc\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u3082\u4fdd\u8b77\u5bfe\u8c61\u3068\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u8aac\u660e\u3092\u7c21\u6f54\u306b\u3059\u308b\u305f\u3081\u306b\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u7701\u7565\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000HDD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u3001\u30e9\u30a4\u30c8\u51e6\u7406\u6642\u306f\u30db\u30b9\u30c8\u304b\u3089\u53d7\u9818\u3057\u305f512\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30d1\u30ea\u30c6\u30a3\u3092\u8a08\u7b97\u3057\u3066\uff5b512\u30d0\u30a4\u30c8\uff0b\u30d1\u30ea\u30c6\u30a3\uff5d\u3092\u30e1\u30c7\u30a3\u30a2\u306b\u66f8\u304d\u8fbc\u307f\u3001\u30ea\u30fc\u30c9\u51e6\u7406\u6642\u306f\u30e1\u30c7\u30a3\u30a2\u304b\u3089\uff5b512\u30d0\u30a4\u30c8\uff0b\u30d1\u30ea\u30c6\u30a3\uff5d\u3092\u8aad\u307f\u51fa\u3057\u3066\u8aa4\u308a\u8a02\u6b63\u51e6\u7406\u3092\u5b9f\u65bd\u3057\u3066512\u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u30db\u30b9\u30c8\u306b\u8ee2\u9001\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u30db\u30b9\u30c8\u304c\u30c9\u30e9\u30a4\u30d6\u3068\u306e\u9593\u3067\u8aad\u307f\u66f8\u304d\u3059\u308b\u30c7\u30fc\u30bf\u5358\u4f4d\uff08\u8ad6\u7406\u30bb\u30af\u30bf\uff09\u306e\u30b5\u30a4\u30ba\u3068\u3001\u30c9\u30e9\u30a4\u30d6\u304c\u5185\u90e8\u3067\u30e1\u30c7\u30a3\u30a2\u3068\u306e\u9593\u3067\u8aad\u307f\u66f8\u304d\u3059\u308b\u30c7\u30fc\u30bf\u5358\u4f4d\uff08\u7269\u7406\u30bb\u30af\u30bf\uff09\u306e\u30b5\u30a4\u30ba\u304c\u3001512\u30d0\u30a4\u30c8\u3067\u4e00\u81f4\u3057\u3066\u304a\u308a\u3001\u3068\u3066\u3082\u5e73\u548c\u3067\u3059\uff08\u56f31\uff09\u3002\u3053\u308c\u304c<strong>512\u30cd\u30a4\u30c6\u30a3\u30d6(512n)<\/strong>\u30e2\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000HDD\u3084SSD\u306b\u95a2\u3059\u308b\u898f\u683c\uff08SCSI\u3001ATA\u3001\u305d\u3057\u3066NVMe\u306a\u3069\uff09\u306b\u767b\u5834\u3059\u308bLogical Block Address (LBA)\u306f\u3001\u3053\u306e\u8ad6\u7406\u30bb\u30af\u30bf\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" src=\"https:\/\/testhagisolcojp.gptw.net\/techblog\/wp-content\/uploads\/2023\/10\/512n-2-1024x528.png\" alt=\"\" class=\"wp-image-3423\"\/><figcaption class=\"wp-element-caption\"><em>\u56f31\uff1a\u8ad6\u7406\u3068\u7269\u7406\u306e\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff08\u306e\u57fa\u6e96\uff09\u304c512\u30d0\u30a4\u30c8\u3067\u4e00\u81f4\u3057\u305f\u5e73\u548c\u306a\u30b7\u30b9\u30c6\u30e0\uff08\u30a4\u30e1\u30fc\u30b8\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<h3 id=\"outline__6_2\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u300c\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff1c\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u300d\u306e\u5834\u5408(512e)<\/mark><\/h3>\n\n\n\n<p>\u3000\u3057\u304b\u3057\u3001HDD\u306e\u8a18\u9332\u5bc6\u5ea6\u5411\u4e0a\u3092\u9032\u3081\u308b\u904e\u7a0b\u3067\u5bb9\u91cf\u52b9\u7387\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u306e\u7b26\u53f7\u9577\u3092\u62e1\u5927\u3057\u307e\u3057\u305f\uff08[4]\u53c2\u7167\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u300c\u7b26\u53f7\u9577\u300d\u3068\u306f\u3001\u4fdd\u8b77\u3057\u305f\u3044\u30c7\u30fc\u30bf\u672c\u4f53\uff08\u60c5\u5831\uff09\u3068\u305d\u306e\u30c7\u30fc\u30bf\u304b\u3089\u751f\u6210\u3057\u305f\u691c\u67fb\u7528\u30c7\u30fc\u30bf\uff08\u30d1\u30ea\u30c6\u30a3\uff09\u3092\u5408\u308f\u305b\u305f\u3082\u306e\uff08\u7b26\u53f7\uff09\u306e\u9577\u3055\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u60c5\u5831\u9577\u30924\u30ad\u30ed\u30d0\u30a4\u30c8\u306b\u62e1\u5927\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u3057\u304b\u3057\u30db\u30b9\u30c8(OS)\u306f\u3001\u30c9\u30e9\u30a4\u30d6\u3068\u306e\u9593\u3067512\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u524d\u63d0\u3067\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u305f\u3081\u30c9\u30e9\u30a4\u30d6\u304c\u30e1\u30c7\u30a3\u30a2\u306e\u8aad\u307f\u66f8\u304d\u5358\u4f4d\u30b5\u30a4\u30ba\u3092512\u30d0\u30a4\u30c8\u304b\u30894\u30ad\u30ed\u30d0\u30a4\u30c8\u306b\u5909\u66f4\u3057\u3066\u3082\u3001\u30db\u30b9\u30c8\u3068\u306e\u9593\u3067\u306f512\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u8aad\u307f\u66f8\u304d\u3067\u304d\u306a\u3044\u3068\u30b7\u30b9\u30c6\u30e0\u304c\u7834\u7dbb\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u305d\u3053\u3067\u3001\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u30924\u30ad\u30ed\u30d0\u30a4\u30c8\u306b\u62e1\u5927\u3057\u3064\u3064\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092512\u30d0\u30a4\u30c8\u306e\u307e\u307e\u3068\u3057\u305f\u306e\u304c<strong>512\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3(512e)<\/strong>\u30e2\u30fc\u30c9\u3067\u3059\uff08\u56f32\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" src=\"https:\/\/testhagisolcojp.gptw.net\/techblog\/wp-content\/uploads\/2023\/10\/512e-2-1024x588.png\" alt=\"\" class=\"wp-image-3422\"\/><figcaption class=\"wp-element-caption\"><em>\u56f32\uff1a\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c512\u30d0\u30a4\u30c8\u3067\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff08\u306e\u57fa\u6e96\uff09\u304c4\u30ad\u30ed\u30d0\u30a4\u30c8\u306e\u30b7\u30b9\u30c6\u30e0\uff08\u30a4\u30e1\u30fc\u30b8\uff09<\/em><\/figcaption><\/figure>\n\n\n\n<h3 id=\"outline__6_3\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u300c\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff1d\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u300d\u306e\u5834\u5408(4Kn)<\/mark><\/h3>\n\n\n\n<p>\u3000\u3053\u3053\u3067\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306e\u62e1\u5927\u306b\u3042\u308f\u305b\u3066\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u30824\u30ad\u30ed\u30d0\u30a4\u30c8\u306b\u5909\u66f4\u3059\u308c\u3070\u3001\u30c9\u30e9\u30a4\u30d6\u306f512e\u52d5\u4f5c\u6642\u306e\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u4e0d\u8981\u3068\u306a\u308a\u3001\u672c\u6765\u306e\u81ea\u7136\u306a\u52d5\u4f5c\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u304c<strong>4K\u30cd\u30a4\u30c6\u30a3\u30d6(4Kn)<\/strong>\u30e2\u30fc\u30c9\u3067\u3059\uff08\u56f33\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u56f33\u306f\u8d64\u5b57\u306e\u90e8\u5206\uff08\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff09\u4ee5\u5916\u56f31\u3068\u540c\u3058\u3067\u3059\u3002\u3053\u306e\u3053\u3068\u304b\u3089\u3082\u3001\u56f33\u306e\u52d5\u4f5c\u304c\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306e\u307f\u7570\u306a\u308b\u300c\u30cd\u30a4\u30c6\u30a3\u30d6\u300d\u52d5\u4f5c\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" src=\"https:\/\/testhagisolcojp.gptw.net\/techblog\/wp-content\/uploads\/2023\/10\/4Kn-1024x528.png\" alt=\"\" class=\"wp-image-3428\"\/><figcaption class=\"wp-element-caption\">\u56f33\uff1a\u8ad6\u7406\u3068\u7269\u7406\u306e\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff08\u306e\u57fa\u6e96\uff09\u304c4\u30ad\u30ed\u30d0\u30a4\u30c8\u3067\u4e00\u81f4\u3057\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\uff08\u30a4\u30e1\u30fc\u30b8\uff09<\/figcaption><\/figure>\n\n\n\n<p>\u3000\u30b7\u30b9\u30c6\u30e0\u30924K\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u3055\u305b\u308b\u306b\u306f\u3001\u30db\u30b9\u30c8\uff08OS\u542b\u3080\uff09\u3068\u30c9\u30e9\u30a4\u30d6\u53cc\u65b9\u304c4K\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c\u30db\u30b9\u30c8\u3068\u30c9\u30e9\u30a4\u30d6\u306e\u9593\u3067\u306e\u53d6\u308a\u6c7a\u3081\u3060\u304b\u3089\u3067\u3059\u3002\u30db\u30b9\u30c8\u3068\u30c9\u30e9\u30a4\u30d6\u3069\u3061\u3089\u304b\u7247\u65b9\u3060\u3051\u306e\u5bfe\u5fdc\u3067\u306f\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000OS\u306e4Kn\u52d5\u4f5c\u5bfe\u5fdc\u72b6\u6cc1\u306f\u3001\u4f8b\u3048\u3070Windows\u3067\u3042\u308c\u3070Web\u30da\u30fc\u30b8\u306b\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059<sup>[5]<\/sup>\u3002Windows 10\u306a\u3069\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f4Kn\u52d5\u4f5c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__7\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">SSD\u306f\u3069\u3046\u3057\u305f\u306e\u304b\uff1f<\/mark><\/h2>\n\n\n\n<p>\u3000\u524d\u8ff0\u306e\u901a\u308a\u3001HDD\u304cAF\u3092\u5236\u5b9a\u3057\u3066512e\u3068\u3044\u3046\u52d5\u4f5c\u30e2\u30fc\u30c9\u3092\u5c0e\u5165\u3057\u305f\u7406\u7531\u306f\u300c\u5bb9\u91cf\u52b9\u7387\u5411\u4e0a\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u308c\u306b\u5bfe\u3057NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\u306f\u3001\u30e1\u30c7\u30a3\u30a2\u306e\u30a8\u30e9\u30fc\u7387\u60aa\u5316\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092\u62e1\u5927\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u524d\u8ff0\u306e\u901a\u308a\u3001\u4ee5\u524dNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u306f512\u30d0\u30a4\u30c8\uff08\uff0b\u03b1\uff09\u3067\u3042\u308a\u3001\u3053\u308c\u3092\u57fa\u6e96\u3068\u3057\u305f\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u3057\u304b\u3057\u30012017\u5e74\u6642\u70b9\u3067QLC NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u5bfe\u8c61\u306b4\u30ad\u30ed\u30d0\u30a4\u30c8\u3092\u57fa\u6e96\u30b5\u30a4\u30ba\u3068\u3059\u308b\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u304c\u767a\u8868\u3055\u308c\u308b\u306a\u3069<sup>[6]<\/sup>\u3001\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c512\u30d0\u30a4\u30c8\u3067\u306f\u306a\u3044\u8a2d\u8a08\u306e\u5fc5\u8981\u6027\u304c\u4e3b\u5f35\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u4f8b\u3048\u3070\u3001\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c4\u30ad\u30ed\u30d0\u30a4\u30c8\u3067\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c512\u30d0\u30a4\u30c8\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308bSSD\u306f\u56f32\u306e\u3088\u3046\u306a\u52d5\u4f5c\u306b\u306a\u308a\u3001\u3053\u308c\u306f\u5b9f\u8cea512e\u30e2\u30fc\u30c9\u306e\u52d5\u4f5c\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000SSD\u306e\u5834\u5408\u3001\u9069\u7528\u3059\u308b\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u306e\u7b26\u53f7\u9577\u306f\u4e3b\u306b\u4f7f\u7528\u3059\u308bNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u4fe1\u983c\u6027\u306b\u5fdc\u3058\u3066\u6c7a\u3081\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3082\u6c7a\u307e\u308a\u307e\u3059\u30024\u30ad\u30ed\u30d0\u30a4\u30c8\u4ee5\u5916\u306b\u3082\u30011\u30ad\u30ed\u30d0\u30a4\u30c8\u30842\u30ad\u30ed\u30d0\u30a4\u30c8\u306a\u3069\u306e\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\uff08\u2252\u7b26\u53f7\u9577\uff09\u3092\u9577\u304f\u3057\u3066\u304b\u3064\u9ad8\u3044\u6027\u80fd\u3092\u9054\u6210\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u8aa4\u308a\u8a02\u6b63\u56de\u8def\uff08\u7279\u306b\u8a02\u6b63\u56de\u8def\uff09\u306e\u56de\u8def\u898f\u6a21\u304c\u5927\u304d\u304f\u306a\u308a\u3001SSD\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c1\u30c3\u30d7\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308b\u307b\u304b\u6d88\u8cbb\u96fb\u529b\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u305f\u3081\u3001SSD\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u8aa4\u308a\u8a02\u6b63\u7b26\u53f7\u306e\u7b26\u53f7\u9577\u3084\u8a02\u6b63\u80fd\u529b\u3001\u3055\u3089\u306b\u306f\u8a02\u6b63\u56de\u8def\u306e\u6027\u80fd\u3084\u56de\u8def\u898f\u6a21\u306a\u3069\u306f\u3001\u88fd\u54c1\u306e\u7279\u5fb4\u304c\u3042\u3089\u308f\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3068\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u304b\u3064\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3088\u308a\u5927\u304d\u3044\u5834\u5408\u3001\u30c9\u30e9\u30a4\u30d6\u304c\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3067\u306e\u8aad\u307f\u66f8\u304d\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__8\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u4f5c\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/mark><\/h2>\n\n\n\n<p>\u3000\u30c9\u30e9\u30a4\u30d6\u304b\u3089\u898b\u305f512e\u306a\u3069\u306e\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u4f5c\u30684Kn\u306a\u3069\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u305d\u308c\u305e\u308c\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u88681\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><th>\u30c7\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td><strong>512e\uff08\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u4f5c\uff09<\/strong><\/td><td>\u30db\u30b9\u30c8\u5074\u306e\u5bfe\u5fdc\u304c\u4e0d\u8981\u3067<br>\u305f\u3044\u3066\u3044\u306e\u30db\u30b9\u30c8\u3068\u63a5\u7d9a\u53ef\u80fd<\/td><td>\u7d30\u304b\u3044\u8aad\u307f\u66f8\u304d\u306e\u52b9\u7387\u304c\u60aa\u3044<\/td><\/tr><tr><td><strong>4Kn\uff08\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\uff09<\/strong><\/td><td>\u8aad\u307f\u66f8\u304d\u306e\u52b9\u7387\u304c\u826f\u3044<\/td><td>\u30db\u30b9\u30c8\u5074\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><em>\u88681\uff1a\u30c9\u30e9\u30a4\u30d6(SSD)\u304b\u3089\u307f\u305f512e\u30684Kn\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/em><\/figcaption><\/figure>\n\n\n\n<p>\u3000512e\u52d5\u4f5c\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u7c21\u6f54\u3067\u3001\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u304c512\u30d0\u30a4\u30c8\u3067\u306e\u307f\u52d5\u4f5c\u53ef\u80fd\u306a\u30db\u30b9\u30c8\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3082\u52d5\u4f5c\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000OS\u3060\u3051\u3067\u306a\u304f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u5468\u8fba\u6a5f\u5668\u3092\u542b\u3081\u305f\u78ba\u8a8d\u3084\u5bfe\u5fdc\u306e\u624b\u9593\u3092\u8003\u3048\u308b\u3068\u3001512e\u52d5\u4f5c\u3067\u304d\u308b\u3053\u3068\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u5927\u304d\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000512e\u52d5\u4f5c\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u672a\u6e80\u306e\u8aad\u307f\u66f8\u304d\u306e\u52b9\u7387\u304c\u60aa\u3044\u3053\u3068\u3067\u3059\u3002\u56f32\u306b\u793a\u3057\u305f\u3088\u3046\u306b\u3001512e\u52d5\u4f5c\u306e\u5834\u5408\u306f\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3067\u306e\u66f8\u304d\u8fbc\u307f\u6642\u306b\u30c9\u30e9\u30a4\u30d6\u5074\u3067Read-Modify-Write\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u9006\u306b\u3001\u30c9\u30e9\u30a4\u30d6\u304b\u3089\u898b\u305f4Kn\u306a\u3069\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001512e\u3067\u306f\u5fc5\u8981\u306aRead-Modify-Write\u51e6\u7406\u304c\u4e0d\u8981\u3068\u306a\u308a\u8aad\u307f\u66f8\u304d\u306e\u52b9\u7387\u304c\u826f\u3044\u3053\u3068\u3067\u3059\u3002\u30db\u30b9\u30c8\u304b\u3089\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u672a\u6e80\u306e\u8aad\u307f\u66f8\u304d\u304c\u6765\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u4e00\u65b9\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001512e\u52d5\u4f5c\u306e\u30e1\u30ea\u30c3\u30c8\u306e\u88cf\u8fd4\u3057\u3067\u3001\u30db\u30b9\u30c8\u3082512\u30d0\u30a4\u30c8\u3067\u306f\u306a\u3044\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3067\u306e\u52d5\u4f5c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__9\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u8996\u70b9\u3067\u306f<\/mark><\/h2>\n\n\n\n<p>\u3000\u3054\u5b58\u77e5\u306e\u901a\u308a\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u5bfe\u3059\u308b\u66f8\u304d\u8fbc\u307f\u304c\u591a\u304f\u306a\u308b\u3068\u5bff\u547d\u306e\u6d88\u8cbb\u304c\u9032\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000DRAM\u306a\u3069\u306b\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u7528\u30d0\u30c3\u30d5\u30a1\u3092\u6301\u3064SSD\u3067\u3042\u308c\u3070\u3001\u4e00\u5b9a\u91cf\u306e\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u3092\u305d\u306e\u30d0\u30c3\u30d5\u30a1\u306b\u6e9c\u3081\u308b\u3053\u3068\u3067\u305d\u306e\u30d0\u30c3\u30d5\u30a1\u4e0a\u3067Read-Modify-Write\u304c\u5b8c\u7d50\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001SSD\u304c\u5099\u3048\u308b\u30d0\u30c3\u30d5\u30a1\u306e\u30b5\u30a4\u30ba\u3068\u30db\u30b9\u30c8\u304c\u642d\u8f09\u3059\u308bDRAM\u306e\u30b5\u30a4\u30ba\u3067\u306f\u5f8c\u8005\u306e\u307b\u3046\u304c\u5727\u5012\u7684\u306b\u5927\u304d\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3057\u305f\u304c\u3063\u3066\u3001SSD\u306e\u8996\u70b9\u3067\u306f\u3001\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u672a\u6e80\u306e\u8aad\u307f\u66f8\u304d\u3092\u30db\u30b9\u30c8\u5074\u304c\u30db\u30b9\u30c8\u5074\u306eDRAM\u306a\u3069\u3067Read-Modify-Write\u51e6\u7406\u3059\u308b\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306e\u307b\u3046\u304cSSD\u3072\u3044\u3066\u306fNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u512a\u3057\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3001\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306f\u305d\u306e\u8aad\u307f\u66f8\u304d\u306e\u5358\u4f4d\u306f\u300c\u30da\u30fc\u30b8\u300d\u306a\u306e\u3067\u3001\u8aad\u307f\u66f8\u304d\u306e\u5358\u4f4d\u30b5\u30a4\u30ba\u3092\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u3068\u540c\u3058\u306b\u3059\u308b\u3068\u3055\u3089\u306b\u8aad\u307f\u66f8\u304d\u306e\u52b9\u7387\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u5177\u4f53\u7684\u306b\u306f\u3001\u6700\u8fd1\u306eNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u306f16\u30ad\u30ed\u30d0\u30a4\u30c8<sup>[7]<\/sup>\u3067\u3059\u306e\u3067\u3001\u30db\u30b9\u30c8\u304b\u308916\u30ad\u30ed\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u8aad\u307f\u66f8\u304d\u3059\u308b\u3068\u3088\u308aNAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u512a\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__10\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u304a\u308f\u308a\u306b<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u7269\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u306e\u6b74\u53f2\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u307e\u305f\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\u3067\u306f\u3001\u73fe\u5728\u3067\u306f\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba512\u30d0\u30a4\u30c8\u6642\u306b\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u52a0\u3048\u3066\u30c9\u30e9\u30a4\u30d6\u8996\u70b9\u3067\u898b\u305f512e\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u8aac\u660e\u3057\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3092\u30e1\u30c7\u30a3\u30a2\u3068\u3059\u308bSSD\u306e\u5834\u5408\u3001NAND\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u5bff\u547d\u3068\u3044\u3046\u8996\u70b9\u3067\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306e\u307b\u3046\u304c\u3088\u308a\u52b9\u7387\u3088\u304f\u5bff\u547d\u3092\u6d88\u8cbb\u3067\u304d\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u6b21\u56de\u306f\u3001NVMe SSD\u3068Windows\u3092\u53d6\u308a\u4e0a\u3052\u3066\u3001\u5b9f\u969b\u306bSSD\u304c512e\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u304b\u3081\u308b\u65b9\u6cd5\u3084\u8ad6\u7406\u30bb\u30af\u30bf\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__11\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">References<\/mark><\/h2>\n\n\n\n<p>[1]&nbsp;<em><a rel=\"noreferrer noopener\" href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%82%B9%E3%83%9E%E3%83%BC%E3%83%88%E3%83%A1%E3%83%87%E3%82%A3%E3%82%A2\" target=\"_blank\">\u30b9\u30de\u30fc\u30c8\u30e1\u30c7\u30a3\u30a2<\/a><\/em>\u3001\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2\uff082023\u5e7410\u670810\u65e5\u95b2\u89a7\uff09<br>[2] \u4e2d\u6751 \u4ed6\u3001\u300c<em><a rel=\"noreferrer noopener\" href=\"https:\/\/www.global.toshiba\/content\/dam\/toshiba\/migration\/corp\/techReviewAssets\/tech\/review\/1996\/11\/51_11pdf\/a04.pdf\" target=\"_blank\">64M\u30d3\u30c3\u30c8NAND\u578b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea<\/a><\/em>\u300d[PDF]\u3001\u6771\u829d\u30ec\u30d3\u30e5\u30fc\u3001Vol.51\u3001No.11\u30011996\u5e74<br>[3]&nbsp;<em>&#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Advanced_Format\" target=\"_blank\">Advanced Format<\/a>&#8220;<\/em>\u3001\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2\uff08\u82f1\u8a9e\u7248\uff09\uff082023\u5e7410\u670810\u65e5\u95b2\u89a7\uff09<br>[4] Western Digital,&nbsp;<em>&#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/documents.westerndigital.com\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/collateral\/white-paper\/white-paper-advanced-format.pdf\" target=\"_blank\">Advanced Format<\/a>&#8220;<\/em>[PDF], September, 2018 \uff082023\u5e7410\u670810\u65e5\u95b2\u89a7\uff09<br>[5] Microsoft,&nbsp;<em>&#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/docs.microsoft.com\/en-us\/troubleshoot\/windows-server\/backup-and-storage\/support-policy-4k-sector-hard-drives\" target=\"_blank\">Microsoft support policy for 4K sector hard drives in Windows<\/a>&#8220;<\/em>, 2023\u5e7410\u670810\u65e5\u95b2\u89a7<br>[6] Shiuan-Hao Kuo,&nbsp;<em>&#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.flashmemorysummit.com\/English\/Collaterals\/Proceedings\/2017\/20170809_FE22_Kuo.pdf\" target=\"_blank\">Novel 4K Error Correcting Code for QLC NAND<\/a>&#8220;<\/em>[PDF], Flash Memory Summit 2017, Santa Clara, CA, August 9, 2017<br>[7] T. Higuchi et el,&nbsp;<em>&#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/ieeexplore.ieee.org\/document\/9366003\/\" target=\"_blank\">A 1Tb 3b\/Cell 3D-Flash Memory in a 170+ Word-Line-Layer Technology<\/a>&#8220;<\/em>, ISSCC 2021, pp 428-430, San Francisco, CA, February, 2021<\/p>\n\n\n\n<h2 id=\"outline__12\" class=\"wp-block-heading\" id=\"outline__8\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u4ed6\u793e\u5546\u6a19\u306b\u3064\u3044\u3066<\/mark><\/h2>\n\n\n\n<p>\u3000\u8a18\u4e8b\u4e2d\u306b\u306f\u767b\u9332\u5546\u6a19\u30de\u30fc\u30af\u3092\u660e\u8a18\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u304c\u3001\u8a18\u4e8b\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u4f1a\u793e\u540d\u304a\u3088\u3073\u88fd\u54c1\u540d\u7b49\u306f\u4e00\u822c\u306b\u5404\u793e\u306e\u5546\u6a19\u307e\u305f\u306f\u767b\u9332\u5546\u6a19\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__13\" class=\"wp-block-heading\" id=\"outline__9\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u8a18\u4e8b\u5185\u5bb9\u306b\u3064\u3044\u3066<\/mark><\/h2>\n\n\n\n<p>\u3000\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u306f\u3001\u767a\u8868\u5f53\u6642\u306e\u60c5\u5831\u3067\u3059\u3002\u4e88\u544a\u306a\u304f\u5909\u66f4\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3042\u3089\u304b\u3058\u3081\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30db\u30b9\u30c8\u3068SSD\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u7ba1\u7406\u5358\u4f4d\u30b5\u30a4\u30ba\u3092\u7406\u89e3\u3059\u308b\u3068\u3001SSD\u3092\u3088\u308a\u52b9\u7387\u826f\u304f\u4f7f\u3046\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306fSSD\u306b\u307e\u3064\u308f\u308b\u30c7\u30fc\u30bf\u7ba1\u7406\u5358\u4f4d\u30b5\u30a4\u30ba\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":4,"featured_media":3404,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[23,24,35],"class_list":["post-3401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reliability","tag-nvme-ssd","tag-sata-ssd","tag-35"],"_links":{"self":[{"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/3401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3401"}],"version-history":[{"count":30,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/3401\/revisions"}],"predecessor-version":[{"id":4187,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/posts\/3401\/revisions\/4187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=\/wp\/v2\/media\/3404"}],"wp:attachment":[{"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/testhagisolcojp.gptw.net\/techblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}