{"id":5422,"date":"2024-03-11T17:00:44","date_gmt":"2024-03-11T08:00:44","guid":{"rendered":"https:\/\/www.datasmart.co.jp\/knowledge\/?p=5422"},"modified":"2025-03-03T20:18:01","modified_gmt":"2025-03-03T11:18:01","slug":"hdd-recording-technology","status":"publish","type":"post","link":"https:\/\/www.datasmart.co.jp\/knowledge\/hdd-recording-technology\/","title":{"rendered":"\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08HDD\uff09\u306e\u30c7\u30fc\u30bf\u8a18\u9332\u6280\u8853\u3068\u5927\u5bb9\u91cf\u5316"},"content":{"rendered":"\n<p>2023\u5e74\u6642\u70b9\u3067\u3001\u5e02\u5834\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u6700\u5927\u306e\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08\u4ee5\u4e0b\u3001HDD\uff09\u306f\u3001\u6700\u5927\u306730\u30c6\u30e9\u30d0\u30a4\u30c8\uff08TB\uff09\u306e\u5bb9\u91cf\u306b\u9054\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5927\u5bb9\u91cf\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u30b7\u30f3\u30b0\u30eb\u78c1\u6c17\u8a18\u9332\uff08SMR\uff09\u3084\u30a8\u30cd\u30eb\u30ae\u30fc\u652f\u63f4\u78c1\u6c17\u8a18\u9332\uff08EAMR\uff09\u306a\u3069\u306e\u5148\u9032\u7684\u306a\u8a18\u9332\u6280\u8853\u304c\u7814\u7a76\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306b\u3088\u308a\u3001\u5404\u30d7\u30e9\u30c3\u30bf\u30fc\u4e0a\u306e\u30c7\u30fc\u30bf\u30c8\u30e9\u30c3\u30af\u306e\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u3001\u5f93\u6765\u306eHDD\u306e\u5f62\u72b6\u5185\u3067\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30cf\u30fc\u30c9\u30c7\u30a4\u30b9\u30af\u306e\u57fa\u672c\u69cb\u9020<\/h2>\n\n\n\n<p>\u30cf\u30fc\u30c9\u30c7\u30a4\u30b9\u30af\u306f\u30ec\u30b3\u30fc\u30c9\u30d7\u30ec\u30a4\u30e4\u30fc\u306b\u4f8b\u3048\u3089\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u30ec\u30b3\u30fc\u30c9\u76e4\uff08\u30c7\u30a3\u30b9\u30af\uff09\u304c\u5f53\u305f\u308b\u5186\u677f\uff08\u30c7\u30a3\u30b9\u30af\uff09\u3092\u30d7\u30e9\u30c3\u30bf\u3068\u547c\u3073\u3001\u8aad\u307f\u53d6\u308a\u3092\u884c\u3046\u91dd\u306b\u76f8\u5f53\u3059\u308b\u306e\u304c\u78c1\u6c17\u30d8\u30c3\u30c9\u3067\u3059\u3002\u30ec\u30b3\u30fc\u30c9\u30d7\u30ec\u30a4\u30e4\u30fc\u3068\u306e\u9055\u3044\u306f\u30c7\u30a3\u30b9\u30af\u306b\u78c1\u6c17\u30d8\u30c3\u30c9\u304c\u63a5\u89e6\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u307e\u305f\u3001\u30ec\u30b3\u30fc\u30c9\u30d7\u30ec\u30a4\u30e4\u30fc\u306f\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3044\u307e\u305b\u3093\u304c\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306f\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u69cb\u9020<\/h3>\n\n\n\n<a href=\"https:\/\/www.datasmart.co.jp\/knowledge\/harddrive-structure\/\">https:\/\/www.datasmart.co.jp\/knowledge\/harddrive-structure\/<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30e9\u30c3\u30bf\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08\u4ee5\u4e0b\u3001HDD\uff09\u306e\u4e2d\u306b\u306f\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3001\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30d7\u30e9\u30c3\u30bf\u304c\u8907\u6570\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u30b1\u30fc\u30b9\u5185\u306e\u3054\u304f\u308f\u305a\u304b\u306b\u3042\u308b\u7a7a\u9593\u3067\u9ad8\u901f\u56de\u8ee2\u3092\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u91cd\u91cf\u30fb\u786c\u5ea6\u304c\u6c42\u3081\u3089\u308c\u3064\u3064\u3082\u3001\u88fd\u9020\u52a0\u5de5\u304c\u3057\u3084\u3059\u3044\u3082\u306e\u306b\u3059\u308b\u3053\u3068\u3067\u91cf\u7523\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u3067\u306f\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u8ab2\u984c\u306f\u5927\u5bb9\u91cf\u5316\u3068\u3044\u3046\u3053\u3068\u3082\u3042\u308a\u3001\u525b\u6027\u304c\u9ad8\u304f\u3001\u5e73\u6ed1\u5ea6\u3082\u9ad8\u3044\u30ac\u30e9\u30b9\u88fd\u306e\u30d7\u30e9\u30c3\u30bf\u304c\u4f7f\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u306f\u3001\u6a19\u6e96\u7684\u306a\u30ac\u30e9\u30b9\u88fd\u54c1\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5408\u91d1\u3088\u308a\u3082\u5b89\u4fa1\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u7279\u5b9a\u306e\u7528\u9014\u3084\u8981\u6c42\u3055\u308c\u308b\u6027\u80fd\u306b\u3088\u3063\u3066\u306f\u3001\u9006\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u5927\u5bb9\u91cf\u30c9\u30e9\u30a4\u30d6\u306f\u3001\u30b3\u30b9\u30c8\u52b9\u679c\u7684\u306b\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3067\u304d\u308b\u305f\u3081\u3001\u4e3b\u306b\u4f01\u696d\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5411\u3051\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u306e\u65b9\u306e\u307b\u3068\u3093\u3069\u306f\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u6a5f\u4f1a\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u306f\u3053\u308c\u3089\u306e\u6280\u8853\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30c9\u30e9\u30a4\u30d6\u306e\u6027\u80fd\u3082\u5411\u4e0a\u3057\u3066\u304a\u308a\u3001\u56fa\u4f53\u30c9\u30e9\u30a4\u30d6\uff08SSD\uff09\u3068\u306e\u7af6\u4e89\u529b\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u6027\u80fd\u306e\u5411\u4e0a\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u8a18\u9332\u6280\u8853\u306b\u304a\u3051\u308b\uff12\u3064\u306e\u65b9\u5f0f<\/h2>\n\n\n\n<p>PMR\uff08Perpendicular Magnetic Recording\uff09\u3068SMR\uff08Shingled Magnetic Recording\uff09\u306f\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08HDD\uff09\u3067\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u8a18\u9332\u6280\u8853\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001HDD\u306e\u8a18\u9332\u5bc6\u5ea6\u3092\u9ad8\u3081\u3001\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u3092\u5909\u3048\u305a\u306b\u4fdd\u5b58\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.datasmart.co.jp\/case\/hdd.html\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u30c7\u30fc\u30bf\u5fa9\u65e7\u4e8b\u4f8b<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PMR\uff08Perpendicular Magnetic Recording\uff09<\/h2>\n\n\n\n<p>PMR\u306f\u3001\u5f93\u6765\u306e\u78c1\u6c17\u8a18\u9332\u6280\u8853\u3067\u3042\u308b\u7e26\u78c1\u6c17\u8a18\u9332\uff08LMR: Longitudinal Magnetic Recording\uff09\u306e\u5f8c\u7d99\u3068\u3057\u3066\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002PMR\u3067\u306f\u3001\u78c1\u6c17\u30d3\u30c3\u30c8\u304c\u30c7\u30a3\u30b9\u30af\u306e\u8868\u9762\u306b\u5782\u76f4\uff08\u76f4\u89d2\uff09\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u914d\u7f6e\u306b\u3088\u308a\u3001\u30d3\u30c3\u30c8\u9593\u306e\u78c1\u6c17\u5e72\u6e09\u3092\u6e1b\u5c11\u3055\u305b\u3001\u30c7\u30a3\u30b9\u30af\u9762\u4e0a\u306e\u30d3\u30c3\u30c8\u5bc6\u5ea6\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002PMR\u6280\u8853\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001HDD\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u306f\u98db\u8e8d\u7684\u306b\u5897\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMR\uff08Shingled Magnetic Recording\uff09<\/h2>\n\n\n\n<p>SMR\u306f\u3001\u3055\u3089\u306b\u8a18\u9332\u5bc6\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u305f\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u6280\u8853\u3067\u306f\u3001\u78c1\u6c17\u30c8\u30e9\u30c3\u30af\u3092\u5c4b\u6839\u74e6\uff08\u30b7\u30f3\u30b0\u30eb\uff09\u306e\u3088\u3046\u306b\u90e8\u5206\u7684\u306b\u91cd\u306d\u3066\u914d\u7f6e\u3057\u307e\u3059\u3002\u91cd\u306d\u308b\u3053\u3068\u3067\u3001\u30c8\u30e9\u30c3\u30af\u9593\u306e\u7a7a\u9593\u3092\u524a\u6e1b\u3057\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u3088\u308a\u591a\u304f\u306e\u30c8\u30e9\u30c3\u30af\u3092\u914d\u7f6e\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u3053\u306e\u914d\u7f6e\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u63db\u3048\u304c\u8907\u96d1\u306b\u306a\u308a\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002SMR\u30c9\u30e9\u30a4\u30d6\u306f\u3001\u4e3b\u306b\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u3044\u3063\u305f\u3001\u8aad\u307f\u51fa\u3057\u304c\u591a\u304f\u66f8\u304d\u8fbc\u307f\u306e\u5c11\u306a\u3044\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"memobox\">\n<div class=\"memobox-title\">memo<\/div>\n\u66f8\u304d\u63db\u3048\u901f\u5ea6\u304c\u9045\u3044\u305f\u3081\u3001\u4e00\u822c\u500b\u4eba\u304c\u5229\u7528\u3059\u308b\u306b\u306f\u5229\u7528\u3057\u3065\u3089\u3044\u3067\u3059\u3002\u307e\u305f\u3001\u5fa9\u65e7\u96e3\u6613\u5ea6\u3082\u9ad8\u3044\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u306e\u5229\u7528\u306a\u3069\u66f8\u304d\u63db\u3048\u304c\u305d\u308c\u307b\u3069\u767a\u751f\u3057\u306a\u3044\u72b6\u6cc1\u4e0b\u3067\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">CMR\uff08PMR\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5782\u76f4\u8a18\u9332\u65b9\u5f0f<\/strong>: \u30c7\u30fc\u30bf\u30d3\u30c3\u30c8\u3092\u30c7\u30a3\u30b9\u30af\u306e\u8868\u9762\u306b\u5782\u76f4\u306b\u8a18\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d3\u30c3\u30c8\u9593\u306e\u78c1\u6c17\u5e72\u6e09\u3092\u6e1b\u3089\u3057\u3001\u30c7\u30a3\u30b9\u30af\u9762\u7a4d\u3042\u305f\u308a\u306e\u30c7\u30fc\u30bf\u5bc6\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u3044\u4e92\u63db\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>: CMR\u30c9\u30e9\u30a4\u30d6\u306f\u3001\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u3084\u8aad\u307f\u51fa\u3057\u306b\u304a\u3044\u3066\u3001SMR\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u30c9\u30e9\u30a4\u30d6\u306b\u6bd4\u3079\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9762\u3067\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u304c\u5b89\u5b9a\u3057\u3066\u304a\u308a\u3001\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u306e\u6027\u80fd\u3082\u9ad8\u3044\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u308b<\/strong>: CMR\u30c9\u30e9\u30a4\u30d6\u306f\u3001\u65e5\u5e38\u7684\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u4f7f\u7528\u304b\u3089\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ec\u30d9\u30eb\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u307e\u3067\u3001\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">CMR\u3068SMR\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8a18\u9332\u5bc6\u5ea6<\/strong>: SMR\u306fCMR\u306b\u6bd4\u3079\u3066\u8a18\u9332\u5bc6\u5ea6\u304c\u9ad8\u304f\u3001\u540c\u3058\u7269\u7406\u30b5\u30a4\u30ba\u306e\u30c9\u30e9\u30a4\u30d6\u3067\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u66f8\u304d\u8fbc\u307f\u901f\u5ea6<\/strong>: CMR\u30c9\u30e9\u30a4\u30d6\u306f\u4e00\u822c\u306b\u3001SMR\u30c9\u30e9\u30a4\u30d6\u306b\u6bd4\u3079\u3066\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u304c\u901f\u3044\u3067\u3059\u3002SMR\u30c9\u30e9\u30a4\u30d6\u3067\u306f\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u63db\u3048\u306b\u7279\u5225\u306a\u51e6\u7406\u304c\u5fc5\u8981\u306a\u305f\u3081\u3001\u6027\u80fd\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7528\u9014<\/strong>: CMR\u30c9\u30e9\u30a4\u30d6\u306f\u3001\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001SMR\u30c9\u30e9\u30a4\u30d6\u306f\u8a18\u9332\u5bc6\u5ea6\u304c\u9ad8\u3044\u305f\u3081\u3001\u5927\u5bb9\u91cf\u306e\u30c7\u30fc\u30bf\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u983b\u7e41\u306a\u66f8\u304d\u63db\u3048\u304c\u5fc5\u8981\u306a\u7528\u9014\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>CMR\u3068SMR\u306f\u3001HDD\u306e\u5bb9\u91cf\u3092\u5897\u3084\u3059\u305f\u3081\u306b\u91cd\u8981\u306a\u6280\u8853\u3067\u3042\u308a\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u5fdc\u3058\u3066\u9078\u629e\u3055\u308c\u307e\u3059\u3002\u6280\u8853\u306e\u9032\u5316\u306b\u3088\u308a\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u308a\u3001\u65b0\u3057\u3044\u8a18\u9332\u6280\u8853\u306e\u958b\u767a\u306b\u3088\u308a\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306b\u9ad8\u5bc6\u5ea6\u3067\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u63d0\u4f9b\u3055\u308c\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CMR\uff08PMR\uff09\u306f\u65e5\u672c\u4eba\u304c\u958b\u767a\u8005<\/h2>\n\n\n\n<p>PMR\uff08Perpendicular Magnetic Recording\u3001\u5782\u76f4\u78c1\u6c17\u8a18\u9332\uff09\u6280\u8853\u306f\u3001\u65e5\u672c\u4eba\u79d1\u5b66\u8005\u306e\u98ef\u7530\u5f18\u4e4b\uff08\u3072\u308d\u3086\u304d\uff09\u535a\u58eb\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u767a\u5c55\u3057\u307e\u3057\u305f\u3002\u98ef\u7530\u535a\u58eb\u306f\u3001\u3053\u306e\u6280\u8853\u306e\u57fa\u790e\u3092\u7bc9\u304d\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08HDD\uff09\u306e\u8a18\u9332\u5bc6\u5ea6\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u65b9\u6cd5\u3092\u63d0\u6848\u3057\u307e\u3057\u305f\u3002PMR\u6280\u8853\u306f\u3001\u78c1\u6c17\u30d3\u30c3\u30c8\u3092\u30c7\u30a3\u30b9\u30af\u306e\u8868\u9762\u306b\u5782\u76f4\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u30d3\u30c3\u30c8\u9593\u306e\u78c1\u6c17\u5e72\u6e09\u3092\u6e1b\u5c11\u3055\u305b\u3001\u30c7\u30a3\u30b9\u30af\u9762\u4e0a\u306e\u30d3\u30c3\u30c8\u5bc6\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u98ef\u7530\u535a\u58eb\u306e\u7814\u7a76\u3068\u305d\u306e\u5f8c\u306e\u958b\u767a\u306f\u3001HDD\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u306e\u98db\u8e8d\u7684\u306a\u5897\u52a0\u306b\u8ca2\u732e\u3057\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u7523\u696d\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8ee2\u63db\u70b9\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u500b\u4eba\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u3001\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u308bHDD\u306e\u5bb9\u91cf\u3092\u5927\u5e45\u306b\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n\u3010\u95a2\u9023\u3011<a href=\"https:\/\/www.datasmart.co.jp\/knowledge\/harddisk-technology\/\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\uff08HDD\uff09\u306e\u5229\u7528\u30fb\u63a1\u7528\u6280\u8853<\/a>\n\n\n\n<p><h2>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u5927\u5bb9\u91cf\u5316\u306e\u305f\u3081\u306e\u65b0\u6280\u8853<\/h2><\/p>\n\n\n\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08HDD\uff09\u306e\u5927\u5bb9\u91cf\u5316\u306f\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u9700\u8981\u304c\u62e1\u5927\u3059\u308b\u4e2d\u3067\u3001\u6280\u8853\u7684\u306a\u9032\u5c55\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001HDD\u306e\u5927\u5bb9\u91cf\u5316\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u6280\u8853\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30d1\u30fc\u30da\u30f3\u30c7\u30a3\u30ad\u30e5\u30e9\u30fc\u78c1\u6c17\u8a18\u9332\uff08PMR: Perpendicular Magnetic Recording\uff09<\/h3>\n\n\n\n<p>2005\u5e74\u3054\u308d\u304b\u3089\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308bPMR\u6280\u8853\u306f\u3001\u78c1\u6027\u4f53\u3092\u30d7\u30e9\u30c3\u30bf\u30fc\u306b\u5782\u76f4\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u5bc6\u5ea6\u3092\u9ad8\u3081\u308b\u6280\u8853\u3067\u3059\u3002\u5f93\u6765\u306e\u7e26\u78c1\u6c17\u8a18\u9332\uff08LMR\uff09\u306b\u6bd4\u3079\u3066\u3001\u3088\u308a\u5c0f\u3055\u306a\u9762\u7a4d\u306b\u3088\u308a\u591a\u304f\u306e\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3067\u304d\u308b\u305f\u3081\u3001HDD\u306e\u5bb9\u91cf\u3092\u5927\u5e45\u306b\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u30b7\u30f3\u30b0\u30eb\u30c9\u30fc\u30de\u30b9\u30e1\u30c7\u30a3\u30a2<\/h3>\n\n\n\n<p>\u30b7\u30f3\u30b0\u30eb\u30c9\u30fc\u30de\u30b9\u30e1\u30c7\u30a3\u30a2\u306f\u3001\u78c1\u6027\u4f53\u306e\u7c92\u5b50\u3092\u3088\u308a\u5c0f\u3055\u304f\u3001\u304b\u3064\u5747\u4e00\u306a\u30b5\u30a4\u30ba\u3067\u914d\u7f6e\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u6280\u8853\u306b\u3088\u308a\u3001\u78c1\u6c17\u7684\u5b89\u5b9a\u6027\u3092\u4fdd\u3061\u3064\u3064\u3001\u3088\u308a\u9ad8\u3044\u8a18\u9332\u5bc6\u5ea6\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30b7\u30f3\u30b0\u30eb\u78c1\u6c17\u8a18\u9332\uff08SMR: Shingled Magnetic Recording\uff09<\/h3>\n\n\n\n<p>SMR\u6280\u8853\u306f\u3001\u30d7\u30e9\u30c3\u30bf\u30fc\u4e0a\u306e\u30c8\u30e9\u30c3\u30af\u3092\u91cd\u306d\u308b\u3053\u3068\u3067\u8a18\u9332\u5bc6\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u306e\u6280\u8853\u3067\u306f\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u304c\u96a3\u63a5\u30c8\u30e9\u30c3\u30af\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u66f8\u304d\u8fbc\u307f\u30d7\u30ed\u30bb\u30b9\u304c\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u5bb9\u91cf\u306e\u5897\u5927\u306b\u306f\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30d2\u30fc\u30c8\u30a2\u30b7\u30b9\u30c8\u78c1\u6c17\u8a18\u9332\uff08HAMR: Heat-Assisted Magnetic Recording\uff09<\/h3>\n\n\n\n<p>\u30d2\u30fc\u30c8\u30a2\u30b7\u30b9\u30c8\u78c1\u6c17\u8a18\u9332\u6280\u8853\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u3092\u4f7f\u7528\u3057\u3066\u78c1\u6027\u6750\u6599\u3092\u4e00\u6642\u7684\u306b\u52a0\u71b1\u3057\u3001\u78c1\u6c17\u7684\u5b89\u5b9a\u6027\u304c\u9ad8\u3044\u6750\u6599\u306b\u3082\u7cbe\u5bc6\u306a\u8a18\u9332\u304c\u53ef\u80fd\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u6280\u8853\u306b\u3088\u308a\u3001\u3055\u3089\u306b\u9ad8\u3044\u8a18\u9332\u5bc6\u5ea6\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u30de\u30a4\u30af\u30ed\u30a6\u30a7\u30fc\u30d6\u30a2\u30b7\u30b9\u30c8\u78c1\u6c17\u8a18\u9332\uff08MAMR: Microwave-Assisted Magnetic Recording\uff09<\/h3>\n\n\n\n<p>MAMR\u6280\u8853\u306f\u3001\u30de\u30a4\u30af\u30ed\u30a6\u30a7\u30fc\u30d6\u3092\u5229\u7528\u3057\u3066\u78c1\u6027\u4f53\u306e\u66f8\u304d\u8fbc\u307f\u80fd\u529b\u3092\u5411\u4e0a\u3055\u305b\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u3092\u3088\u308a\u5c0f\u3055\u306a\u9818\u57df\u306b\u5b89\u5b9a\u3057\u3066\u8a18\u9332\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u9ad8\u5bc6\u5ea6\u5316\u304c\u9032\u3080\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001\u305d\u308c\u305e\u308c\u304cHDD\u306e\u8a18\u9332\u5bc6\u5ea6\u3092\u9ad8\u3081\u3001\u3088\u308a\u5927\u5bb9\u91cf\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u5f8c\u3082\u6280\u8853\u306e\u9032\u5316\u304c\u9032\u3080\u4e2d\u3067\u3001\u3055\u3089\u306a\u308b\u5927\u5bb9\u91cf\u5316\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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<strong>\u4f4e\u3044\u5bc6\u5ea6<\/strong><\/h4>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u306e\u5bc6\u5ea6\u306f\u7a7a\u6c17\u306e\u7d041\/7\u3067\u3059\u3002\u3053\u306e\u4f4e\u5bc6\u5ea6\u306b\u3088\u308a\u3001HDD\u5185\u90e8\u3067\u306e\u7a7a\u6c17\u62b5\u6297\u304c\u306a\u304f\u306a\u308a\u6d41\u4f53\u62b5\u6297\u304c\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c9\u30e9\u30a4\u30d6\u5185\u306e\u30d7\u30e9\u30c3\u30bf\uff08\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3059\u308b\u30c7\u30a3\u30b9\u30af\uff09\u304c\u3088\u308a\u30b9\u30e0\u30fc\u30ba\u306b\u56de\u8ee2\u3057\u3001\u632f\u52d5\u3084\u30ce\u30a4\u30ba\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u71b1\u4f1d\u5c0e\u7387\u306e\u5411\u4e0a<\/strong><\/h4>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u306f\u7a7a\u6c17\u3088\u308a\u3082\u71b1\u4f1d\u5c0e\u7387\u304c\u9ad8\u3044\u305f\u3081\u3001\u5185\u90e8\u306e\u71b1\u3092\u52b9\u679c\u7684\u306b\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c9\u30e9\u30a4\u30d6\u306e\u51b7\u5374\u52b9\u7387\u304c\u5411\u4e0a\u3057\u3001\u71b1\u306b\u3088\u308b\u52a3\u5316\u3084\u6545\u969c\u30ea\u30b9\u30af\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306e\u5411\u4e0a<\/strong><\/h4>\n\n\n\n<p>\u30d7\u30e9\u30c3\u30bf\u306e\u56de\u8ee2\u62b5\u6297\u304c\u6e1b\u308b\u305f\u3081\u3001\u30e2\u30fc\u30bf\u30fc\u306b\u5fc5\u8981\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u30d8\u30ea\u30a6\u30e0\u5145\u586bHDD\u306f\u5f93\u6765\u306e\u7a7a\u6c17\u5145\u586bHDD\u306b\u6bd4\u3079\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. <strong>\u30b9\u30c8\u30ec\u30fc\u30b8\u5bc6\u5ea6\u306e\u5897\u52a0<\/strong><\/h4>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u306e\u4f7f\u7528\u306b\u3088\u308a\u3001HDD\u5185\u90e8\u3067\u306e\u4e71\u6d41\u304c\u6e1b\u5c11\u3059\u308b\u305f\u3081\u3001\u30d7\u30e9\u30c3\u30bf\u3092\u3088\u308a\u5bc6\u63a5\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540c\u3058\u30b5\u30a4\u30ba\u306e\u30c9\u30e9\u30a4\u30d6\u5185\u306b\u3088\u308a\u591a\u304f\u306e\u30d7\u30e9\u30c3\u30bf\u3092\u53ce\u5bb9\u3067\u304d\u3001\u5168\u4f53\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u30d7\u30e9\u30c3\u30bf\u306e\u679a\u6570\u304c6\u679a\u3060\u3063\u305f\u3082\u306e\u30929\u679a\u307e\u3067\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5. <strong>\u4fe1\u983c\u6027\u306e\u5411\u4e0a<\/strong><\/h4>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u306f\u5bc6\u5c01\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5916\u90e8\u306e\u307b\u3053\u308a\u3084\u6c5a\u308c\u304c\u5185\u90e8\u306b\u5165\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u30c9\u30e9\u30a4\u30d6\u306e\u4fe1\u983c\u6027\u3068\u8010\u4e45\u6027\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u4e0a\u306e\u8003\u616e\u4e8b\u9805<\/h3>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u5145\u586bHDD\u306f\u305d\u306e\u7279\u6027\u4e0a\u3001\u9ad8\u5bc6\u5ea6\u3067\u5927\u5bb9\u91cf\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u6c42\u3081\u3089\u308c\u308b\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3084\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u3067\u7279\u306b\u6709\u52b9\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u30d8\u30ea\u30a6\u30e0\u306e\u5c01\u5165\u6280\u8853\u306b\u306f\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u4e00\u822c\u6d88\u8cbb\u8005\u5411\u3051\u306e\u88fd\u54c1\u3067\u306f\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30d8\u30ea\u30a6\u30e0\u30ac\u30b9\u306f\u6642\u9593\u3068\u3068\u3082\u306b\u5fae\u91cf\u3067\u3059\u304c\u6f0f\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u308b\u5b8c\u5168\u306a\u5bc6\u5c01\u72b6\u614b\u306e\u7dad\u6301\u304c\u8ab2\u984c\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d8\u30ea\u30a6\u30e0\u5145\u586bHDD\u306f\u3001\u9ad8\u52b9\u7387\u304b\u3064\u5927\u5bb9\u91cf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u306e\u5229\u70b9\u3092\u6301\u3061\u306a\u304c\u3089\u3001\u7279\u5b9a\u306e\u4f7f\u7528\u74b0\u5883\u3068\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6771\u829d\u304c30TB\u8d85\u306e\u5927\u5bb9\u91cf\u30cb\u30a2\u30e9\u30a4\u30f3HDD\u306e\u5b9f\u8a3c\u306b\u6210\u529f<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08\u4ee5\u4e0b\u3001HDD\uff09\u306e\u3055\u3089\u306a\u308b\u5927\u5bb9\u91cf\u5316\u3092\u5b9f\u73fe\u3059\u308b\u6b21\u4e16\u4ee3\u78c1\u6c17\u8a18\u9332\u6280\u8853\u300c\u71b1\u30a2\u30b7\u30b9\u30c8\u78c1\u6c17\u8a18\u9332\uff08\u4ee5\u4e0b\u3001HAMR<sup>*1<\/sup>\uff09\u300d\u3092\u7528\u3044\u305fHDD\u3068\u300c\u30de\u30a4\u30af\u30ed\u6ce2\u30a2\u30b7\u30b9\u30c8\u78c1\u6c17\u8a18\u9332\uff08\u4ee5\u4e0b\u3001MAMR<sup>*2<\/sup>\uff09\u300d\u3092\u7528\u3044\u305fHDD\u306b\u304a\u3044\u3066\u3001\u305d\u308c\u305e\u308c3.5\u578b\u30cb\u30a2\u30e9\u30a4\u30f3HDD\u3068\u3057\u3066\u300130TB\u8d85<sup>*3<\/sup>\u306e\u8a18\u61b6\u5bb9\u91cf\u306e\u5b9f\u8a3c\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002<\/p>\n<cite><a href=\"https:\/\/toshiba.semicon-storage.com\/jp\/company\/news\/news-topics\/2024\/05\/storage-20240514-1.html\">\u6771\u829d\u30c7\u30d0\u30a4\u30b9\uff06\u30b9\u30c8\u30ec\u30fc\u30b8\u300030TB\u8d85\u306e\u5927\u5bb9\u91cf\u30cb\u30a2\u30e9\u30a4\u30f3HDD\u306e\u5b9f\u8a3c\u306b\u6210\u529f<\/a><\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u69cb\u9020<\/h3>\n\n\n\n<a href=\"https:\/\/www.datasmart.co.jp\/knowledge\/harddrive-structure\/\">https:\/\/www.datasmart.co.jp\/knowledge\/harddrive-structure\/<\/a>\n\n\n\n<div class=\"button solid block orange\">\n<strong><br><a class=\"cta\" href=\"https:\/\/www.datasmart.co.jp\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u304a\u554f\u5408\u305b\u306f\u3053\u3061\u3089<\/a><\/strong>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2023\u5e74\u6642\u70b9\u3067\u3001\u5e02\u5834\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u6700\u5927\u306e\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\uff08\u4ee5\u4e0b\u3001HDD\uff09\u306f\u3001\u6700\u5927\u306730\u30c6\u30e9\u30d0\u30a4\u30c8\uff08TB\uff09\u306e\u5bb9\u91cf\u306b\u9054\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5927\u5bb9\u91cf\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u30b7\u30f3\u30b0\u30eb\u78c1\u6c17\u8a18\u9332\uff08SMR\uff09\u3084\u30a8\u30cd\u30eb\u30ae\u30fc\u652f\u63f4\u78c1\u6c17\u8a18\u9332\uff08 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