{"id":4629,"date":"2025-09-05T00:00:07","date_gmt":"2025-09-04T16:00:07","guid":{"rendered":"https:\/\/www.yifuproducts.com\/?p=4629"},"modified":"2025-09-03T11:52:36","modified_gmt":"2025-09-03T03:52:36","slug":"designing-a-quiet-4u-rack-airflow-fan-profiles-and-noise-control-best-practices","status":"publish","type":"post","link":"https:\/\/www.yifuproducts.com\/ja\/designing-a-quiet-4u-rack-airflow-fan-profiles-and-noise-control-best-practices\/","title":{"rendered":"\u9759\u97f34U\u30e9\u30c3\u30af\u306e\u8a2d\u8a08\uff1a\u30a8\u30a2\u30d5\u30ed\u30fc\u3001\u30d5\u30a1\u30f3\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001\u304a\u3088\u3073\u9a12\u97f3\u5236\u5fa1\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9"},"content":{"rendered":"<p>\u81ea\u5b85\u30e9\u30dc\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u307e\u305f\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\/\u30d3\u30c7\u30aa\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u3001\u52d5\u4f5c\u304c\u826f\u597d\u3067\u9759\u97f3\u6027\u306b\u512a\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u30b1\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002 <a style=\"text-decoration: underline;\" href=\"https:\/\/www.yifuproducts.com\/ja\/product\/yfr-5700-4u-rack-case-server-rack-cabinet-19-in-depth\/\"><strong>4U\u30e9\u30c3\u30af\u30de\u30a6\u30f3\u30c8\u30b1\u30fc\u30b9<\/strong><\/a> 4U\u30e9\u30c3\u30af\u30de\u30a6\u30f3\u30c8\u30b1\u30fc\u30b9\u306f\u3001\u5341\u5206\u306a\u30b9\u30da\u30fc\u30b9\u3001\u512a\u308c\u305f\u51b7\u5374\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u305d\u3057\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306e\u4f59\u5730\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u9759\u97f3\u6027\u3092\u4fdd\u3064\u306b\u306f\u3001\u5358\u306b\u9759\u97f3\u30d5\u30a1\u30f3\u3092\u9078\u3076\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u30a8\u30a2\u30d5\u30ed\u30fc\u3092\u9069\u5207\u306b\u8abf\u6574\u3057\u3001\u30d5\u30a1\u30f3\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u3001\u9a12\u97f3\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u30014U\u30e9\u30c3\u30af\u30de\u30a6\u30f3\u30c8\u30b1\u30fc\u30b9\u3067\u30a8\u30a2\u30d5\u30ed\u30fc\u3001\u30d5\u30a1\u30f3\u901f\u5ea6\u3001\u304a\u3088\u3073\u9a12\u97f3\u5236\u5fa1\u3092\u9069\u5207\u306b\u884c\u3046\u305f\u3081\u306e\u5206\u304b\u308a\u3084\u3059\u3044\u30ac\u30a4\u30c9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/www.yifuproducts.com\/wp-content\/uploads\/2025\/09\/Designing-a-Quiet-4U-Rack-Airflow-Fan-Profiles-and-Noise-Control-Best-Practices.webp\" alt=\"\u9759\u97f34U\u30e9\u30c3\u30af\u306e\u8a2d\u8a08\uff1a\u30a8\u30a2\u30d5\u30ed\u30fc\u3001\u30d5\u30a1\u30f3\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001\u304a\u3088\u3073\u9a12\u97f3\u5236\u5fa1\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\" \/><\/div>\n<h2 id=\"whats-a-4u-rack\">4U\u30e9\u30c3\u30af\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>4U\u30e9\u30c3\u30af\u3068\u306f\u3001\u6a19\u6e96\u7684\u306a19\u30a4\u30f3\u30c1\u30e9\u30c3\u30af\u306e4\u3064\u306e\u30b9\u30ed\u30c3\u30c8\u306b\u53ce\u307e\u308b\u30b5\u30fc\u30d0\u30fc\u3084\u6a5f\u5668\u7528\u306e\u30b1\u30fc\u30b9\u3067\u3059\u3002\u5404\u30b9\u30ed\u30c3\u30c8\u306f\u300cU\u300d\u3068\u547c\u3070\u308c\u3001\u9ad8\u3055\u306f1.75\u30a4\u30f3\u30c1\u306a\u306e\u3067\u30014U\u30e9\u30c3\u30af\u30de\u30a6\u30f3\u30c8\u30b1\u30fc\u30b9\u306e\u9ad8\u3055\u306f7\u30a4\u30f3\u30c1\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b1\u30fc\u30b9\u306f\u3001\u5341\u5206\u306a\u30b9\u30da\u30fc\u30b9\u304c\u3042\u308a\u3001\u6a19\u6e96\u7684\u306a\u30e9\u30c3\u30af\u3068\u4e92\u63db\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\/\u30d3\u30c7\u30aa\u6a5f\u5668\u306e\u8a2d\u7f6e\u306a\u3069\u306b\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b1\u30fc\u30b9\u306b\u306f\u3001\u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u6df1\u3081\u306e\u4ed5\u5207\u308a\u304c8\u3064\u4ed8\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b1\u30fc\u30b9\u306e\u9811\u4e08\u3055\u3092\u4fdd\u3061\u306a\u304c\u3089\u3001\u6a5f\u6750\u3092\u597d\u304d\u306a\u3088\u3046\u306b\u6574\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id=\"getting-airflow-right-in-a-4u-rack\">4U\u30e9\u30c3\u30af\u3067\u9069\u5207\u306a\u30a8\u30a2\u30d5\u30ed\u30fc\u3092\u5b9f\u73fe\u3059\u308b<\/h2>\n<h3 id=\"why-front-to-back-airflow-is-a-must\">\u524d\u9762\u304b\u3089\u80cc\u9762\u3078\u306e\u30a8\u30a2\u30d5\u30ed\u30fc\u304c\u5fc5\u9808\u3067\u3042\u308b\u7406\u7531<\/h3>\n<p><a style=\"text-decoration: underline;\" href=\"https:\/\/www.yifuproducts.com\/ja\/product\/yfr-4120-rotomold-4u-hdpe-material-flight-rack-case-rotational-moulds-aluminum-alloy-casting-cnc-machining-rotationally\/\"><strong>4U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\u5185\u306e\u826f\u597d\u306a\u30a8\u30a2\u30d5\u30ed\u30fc<\/strong><\/a> \u3053\u308c\u306f\u3001\u524d\u9762\u304b\u3089\u51b7\u305f\u3044\u7a7a\u6c17\u3092\u53d6\u308a\u8fbc\u307f\u3001\u80cc\u9762\u304b\u3089\u6696\u304b\u3044\u7a7a\u6c17\u3092\u6392\u51fa\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30d7\u30ed\u7528\u6a5f\u5668\u306f\u3053\u306e\u7a7a\u6c17\u306e\u6d41\u308c\u306b\u5408\u308f\u305b\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5185\u90e8\u3067\u71b1\u6c17\u304c\u6e26\u5dfb\u304f\u306e\u3092\u9632\u304e\u307e\u3059\u3002\u307e\u305f\u3001\u30e9\u30c3\u30af\u306e\u4e00\u822c\u7684\u306a\u51b7\u5374\u65b9\u6cd5\u3068\u3082\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u6a5f\u80fd\u3055\u305b\u308b\u306b\u306f\u3001\u30d5\u30a1\u30f3\u3092\u540c\u3058\u3088\u3046\u306b\u914d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5438\u6c17\u30d5\u30a1\u30f3\u3092\u524d\u9762\u306b\u3001\u6392\u6c17\u30d5\u30a1\u30f3\u3092\u80cc\u9762\u306b\u8a2d\u7f6e\u3057\u307e\u3059\u3002\u30d5\u30a1\u30f3\u3092\u6df7\u5728\u3055\u305b\u308b\u3068\u4e71\u6d41\u304c\u767a\u751f\u3057\u3001\u51b7\u5374\u6027\u80fd\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"finding-hot-and-cool-spots\">\u6691\u3044\u5834\u6240\u3068\u6dbc\u3057\u3044\u5834\u6240\u3092\u898b\u3064\u3051\u308b<\/h3>\n<p>CPU\u3001GPU\u3001\u96fb\u6e90\u30e6\u30cb\u30c3\u30c8\u306a\u3069\u306e\u90e8\u54c1\u5468\u8fba\u306b\u306f\u9ad8\u6e29\u90e8\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u90e8\u5206\u306f\u51b7\u5374\u306e\u305f\u3081\u306b\u4f59\u5206\u306a\u7a7a\u6c17\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u65b9\u3001\u524d\u9762\u4ed8\u8fd1\u306f\u65b0\u9bae\u306a\u7a7a\u6c17\u304c\u6d41\u308c\u8fbc\u3080\u305f\u3081\u3001\u6e29\u5ea6\u304c\u4f4e\u3044\u72b6\u614b\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30fc\u30de\u30eb\u30c4\u30fc\u30eb\u3084\u8d64\u5916\u7dda\u6e29\u5ea6\u8a08\u3092\u4f7f\u3063\u3066\u30014U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\u5185\u306e\u3053\u308c\u3089\u306e\u7b87\u6240\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30f3\u3092\u6700\u3082\u52b9\u679c\u7684\u306a\u5834\u6240\u306b\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"how-gear-and-cables-affect-airflow\">\u30ae\u30a2\u3068\u30b1\u30fc\u30d6\u30eb\u304c\u7a7a\u6c17\u306e\u6d41\u308c\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/h3>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u914d\u7f6e\u5834\u6240\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u3084\u30c9\u30e9\u30a4\u30d6\u30b1\u30fc\u30b8\u306a\u3069\u306e\u5927\u578b\u90e8\u54c1\u306f\u3001\u8a2d\u7f6e\u5834\u6240\u304c\u60aa\u3044\u3068\u7a7a\u6c17\u306e\u6d41\u308c\u3092\u59a8\u3052\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u304c\u4e71\u96d1\u306b\u7d61\u307e\u3063\u3066\u3044\u308b\u5834\u5408\u3082\u540c\u69d8\u3067\u3059\u3002\u4e71\u96d1\u306a\u30b1\u30fc\u30d6\u30eb\u306f\u7a7a\u6c17\u306e\u6d41\u308c\u3092\u963b\u5bb3\u3057\u3001\u4e71\u6d41\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u30bf\u30a4\u3084\u30b1\u30fc\u30d6\u30eb\u30c0\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u524d\u9762\u304b\u3089\u80cc\u9762\u3078\u7a7a\u6c17\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u6d41\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 id=\"picking-and-placing-fans\">\u30d5\u30a1\u30f3\u306e\u9078\u5b9a\u3068\u914d\u7f6e<\/h2>\n<h3 id=\"choosing-the-best-fans\">\u6700\u9ad8\u306e\u30d5\u30a1\u30f3\u3092\u9078\u3076<\/h3>\n<p>\u30d5\u30a1\u30f3\u3092\u9078\u3076\u969b\u306f\u3001\u30b5\u30a4\u30ba\u3068\u72ed\u3044\u7a7a\u9593\u3078\u306e\u9001\u98a8\u80fd\u529b\u3092\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002\u591a\u304f\u306e4U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\u306b\u306f\u30b0\u30ea\u30eb\u3084\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u4ed8\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u9759\u5727\u306e\u9ad8\u3044\u30d5\u30a1\u30f3\u3092\u9078\u3076\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002\u9759\u5727\u306e\u9ad8\u3044\u30d5\u30a1\u30f3\u306f\u3001\u969c\u5bb3\u7269\u3078\u306e\u5bfe\u5fdc\u529b\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u3082\u4e00\u822c\u7684\u306a\u30d5\u30a1\u30f3\u30b5\u30a4\u30ba\u306f80mm\u3068120mm\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u9a12\u97f3\u3092\u6291\u3048\u3064\u3064\u3001\u5341\u5206\u306a\u98a8\u91cf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b1\u30fc\u30b9\u306f\u900f\u660e\u306aPC\u30ab\u30d0\u30fc\u3001\u9ed2\u3044\u672c\u4f53\u3001\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u30cf\u30f3\u30c9\u30eb\u307e\u305f\u306f\u30d0\u30c3\u30af\u30eb\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u898b\u305f\u76ee\u3082\u30af\u30fc\u30eb\u3067\u3001\u30b1\u30fc\u30b9\u3092\u958b\u3051\u305a\u306b\u30d5\u30a1\u30f3\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"where-to-put-your-fans\">\u6247\u98a8\u6a5f\u3092\u3069\u3053\u306b\u7f6e\u3051\u3070\u3044\u3044\u304b<\/h3>\n<p>\u30b1\u30fc\u30b9\u524d\u9762\u4e0b\u90e8\u306b\u306f\u3001\u9ad8\u98a8\u91cf\uff08\u6bce\u5206\u7acb\u65b9\u30d5\u30a3\u30fc\u30c8\uff09\u306e\u5438\u6c17\u30d5\u30a1\u30f3\u3092\u8a2d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6392\u6c17\u30d5\u30a1\u30f3\u306f\u3001\u6696\u304b\u3044\u7a7a\u6c17\u304c\u81ea\u7136\u306b\u4e0a\u6607\u3059\u308b\u80cc\u9762\u4e0a\u90e8\u306b\u8a2d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001PWM\uff08\u30d1\u30eb\u30b9\u5e45\u5909\u8abf\uff09\u30d5\u30a1\u30f3\u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6e29\u5ea6\u306b\u5fdc\u3058\u3066\u30d5\u30a1\u30f3\u306e\u56de\u8ee2\u901f\u5ea6\u304c\u8abf\u6574\u3055\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u6dbc\u3057\u304f\u9759\u304b\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/www.yifuproducts.com\/wp-content\/uploads\/2025\/09\/4u-rack-case.webp\" alt=\"4U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\" \/><\/div>\n<h2 id=\"setting-fan-speeds-to-keep-things-quiet\">\u9759\u97f3\u6027\u3092\u4fdd\u3064\u305f\u3081\u306e\u30d5\u30a1\u30f3\u901f\u5ea6\u8a2d\u5b9a<\/h2>\n<h3 id=\"how-fan-speeds-work\">\u30d5\u30a1\u30f3\u901f\u5ea6\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>\u30d5\u30a1\u30f3\u8a2d\u5b9a\u3001\u307e\u305f\u306f\u30d5\u30a1\u30f3\u30ab\u30fc\u30d6\u306f\u3001\u6e29\u5ea6\u306b\u57fa\u3065\u3044\u3066\u30d5\u30a1\u30f3\u306e\u56de\u8ee2\u901f\u5ea6\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001CPU\u30d5\u30a1\u30f3\u309240\u2103\u672a\u6e80\u306e\u3068\u304d\u306f30%\u306e\u901f\u5ea6\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u300170\u2103\u306b\u9054\u3057\u305f\u3089\u6700\u5927\u901f\u5ea6\u307e\u3067\u56de\u8ee2\u6570\u3092\u4e0a\u3052\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u306a\u3044\u3068\u304d\u306f\u30b7\u30b9\u30c6\u30e0\u304c\u9759\u304b\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3068\u304d\u3067\u3082\u3001\u51b7\u5374\u6027\u80fd\u306f\u826f\u597d\u3067\u3059\u3002\u6700\u65b0\u306eBIOS\u30e1\u30cb\u30e5\u30fc\u306e\u307b\u3068\u3093\u3069\u3067\u306f\u3001UEFI\u8a2d\u5b9a\u3067\u3053\u308c\u3089\u306e\u30ab\u30fc\u30d6\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"tools-to-tweak-fan-speeds\">\u30d5\u30a1\u30f3\u901f\u5ea6\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb<\/h3>\n<p>Windows\u7528\u306eSpeedFan\u3001Argus Monitor\u3001ASUS Fan Xpert\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3048\u3070\u3001\u30d5\u30a1\u30f3\u306e\u56de\u8ee2\u901f\u5ea6\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3048\u3070\u3001\u4f5c\u696d\u5185\u5bb9\u306b\u5408\u308f\u305b\u3066\u901f\u5ea6\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002\u6620\u753b\u9451\u8cde\u6642\u306f\u9759\u97f3\u6027\u3092\u91cd\u8996\u3057\u305f\u308a\u3001\u52d5\u753b\u7de8\u96c6\u306a\u3069\u306e\u8ca0\u8377\u306e\u9ad8\u3044\u4f5c\u696d\u6642\u306b\u306f\u51b7\u5374\u6027\u80fd\u3092\u9ad8\u3081\u305f\u308a\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2 id=\"keeping-noise-down\">\u9a12\u97f3\u3092\u6291\u3048\u308b<\/h2>\n<h3 id=\"using-soundproofing-foam\">\u9632\u97f3\u30d5\u30a9\u30fc\u30e0\u306e\u4f7f\u7528<\/h3>\n<p>4U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\u306e\u5185\u5074\u306b\u767a\u6ce1\u30d1\u30cd\u30eb\u3092\u5165\u308c\u308b\u3068\u3001\u304b\u306a\u308a\u9759\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d1\u30cd\u30eb\u306f\u97f3\u3092\u5438\u53ce\u3059\u308b\u306e\u3067\u3001\u91d1\u5c5e\u88fd\u306e\u30b1\u30fc\u30b9\u5185\u3067\u97f3\u304c\u53cd\u97ff\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<p>\u7a7a\u6c17\u306e\u6d41\u308c\u3092\u59a8\u3052\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u767a\u6ce1\u6750\u306f\u3001\u901a\u6c17\u53e3\u3084\u30d5\u30a1\u30f3\u958b\u53e3\u90e8\u304b\u3089\u96e2\u308c\u305f\u5e73\u3089\u306a\u9762\u306b\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u30b1\u30fc\u30b9\u306f\u3001\u8abf\u7bc0\u53ef\u80fd\u306a\u84cb\u30b9\u30ed\u30c3\u30c8\u304c4\u3064\u4ed8\u3044\u305f\u53ce\u7d0d\u30b1\u30fc\u30b9\u3068\u3001\u4eba\u306e\u4f53\u91cd\u3092\u652f\u3048\u3089\u308c\u308b\u9811\u4e08\u306a\u30d5\u30ec\u30fc\u30e0\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u6301\u3061\u904b\u3073\u3084\u3059\u3055\u3068\u8010\u4e45\u6027\u306b\u512a\u308c\u305f\u30c7\u30b6\u30a4\u30f3\u3067\u3001\u632f\u52d5\u306b\u3088\u308b\u9a12\u97f3\u3082\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"cutting-out-vibrations\">\u632f\u52d5\u3092\u906e\u65ad\u3059\u308b<\/h3>\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u3084\u30d5\u30a1\u30f3\u306e\u56de\u8ee2\u30e0\u30e9\u306b\u3088\u308b\u632f\u52d5\u306f\u3001\u5927\u304d\u306a\u97f3\u306e\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30cd\u30b8\u306b\u30b4\u30e0\u88fd\u306e\u30b0\u30ed\u30e1\u30c3\u30c8\u3092\u53d6\u308a\u4ed8\u3051\u305f\u308a\u3001\u30c9\u30e9\u30a4\u30d6\u306e\u4e0b\u306b\u30b7\u30ea\u30b3\u30f3\u30d1\u30c3\u30c9\u3092\u6577\u3044\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u90e8\u54c1\u304c\u91d1\u5c5e\u30d5\u30ec\u30fc\u30e0\u306b\u76f4\u63a5\u63a5\u89e6\u3059\u308b\u306e\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30c3\u30af\u306e\u4e0b\u306b\u9632\u632f\u811a\u3092\u53d6\u308a\u4ed8\u3051\u308b\u306e\u3082\u52b9\u679c\u7684\u3067\u3059\u3002\u5e8a\u3084\u673a\u3092\u901a\u3057\u3066\u4f1d\u308f\u308b\u9a12\u97f3\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"keeping-cables-neat\">\u30b1\u30fc\u30d6\u30eb\u3092\u304d\u3061\u3093\u3068\u6574\u7406\u3059\u308b<\/h3>\n<p>\u30b1\u30fc\u30d6\u30eb\u304c\u4e71\u96d1\u3060\u3068\u3001\u7a7a\u6c17\u306e\u6d41\u308c\u3092\u963b\u5bb3\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30b1\u30fc\u30b9\u5185\u90e8\u3067\u4e71\u6d41\u304c\u767a\u751f\u3057\u3001\u98a8\u5207\u308a\u97f3\u306e\u539f\u56e0\u306b\u3082\u306a\u308a\u307e\u3059\u3002\u30d9\u30eb\u30af\u30ed\u30b9\u30c8\u30e9\u30c3\u30d7\u3084\u30b1\u30fc\u30d6\u30eb\u30b3\u30fc\u30e0\u3092\u4f7f\u3063\u3066\u3001\u30b1\u30fc\u30d6\u30eb\u3092\u30b1\u30fc\u30b9\u306e\u7aef\u306b\u6cbf\u3063\u3066\u304d\u3061\u3093\u3068\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002\u7a7a\u6c17\u306e\u6d41\u308c\u304c\u5fc5\u8981\u306a\u5834\u6240\u306b\u30b1\u30fc\u30d6\u30eb\u3092\u5782\u3089\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30b1\u30fc\u30b9\u306b\u4f59\u88d5\u304c\u3042\u308c\u3070\u3001\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u306f\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u30c8\u30ec\u30a4\u306e\u88cf\u5074\u306b\u914d\u7dda\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u5185\u90e8\u3092\u3059\u3063\u304d\u308a\u3068\u9759\u304b\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/www.yifuproducts.com\/wp-content\/uploads\/2025\/09\/4u-case.webp\" alt=\"4U\u30b1\u30fc\u30b9\" \/><\/div>\n<p>A <a style=\"text-decoration: underline;\" href=\"https:\/\/www.yifuproducts.com\/ja\/product\/yfr-3360-4u-durable-rotomolded-flight-rack-case-molded-amplifier-case-pro-audio-pa-dj-road-travel-mount-case-with-customized-foam\/\"><strong>\u9759\u304b\u3067\u8010\u4e45\u6027\u306e\u3042\u308b4U\u30e9\u30c3\u30af<\/strong><\/a> \u91cd\u8981\u306a\u306e\u306f\u3044\u304f\u3064\u304b\u306e\u70b9\u3067\u3059\u3002\u30b9\u30e0\u30fc\u30ba\u306a\u524d\u9762\u304b\u3089\u80cc\u9762\u3078\u306e\u7a7a\u6c17\u306e\u6d41\u308c\u3001\u9069\u5207\u306a\u6a5f\u5668\u914d\u7f6e\u3001\u9759\u304b\u3067\u30d1\u30ef\u30d5\u30eb\u306a\u30d5\u30a1\u30f3\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30d5\u30a1\u30f3\u901f\u5ea6\u3001\u9632\u97f3\u5bfe\u7b56\u3001\u632f\u52d5\u5236\u5fa1\u3001\u305d\u3057\u3066\u6574\u7136\u3068\u3057\u305f\u30b1\u30fc\u30d6\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u81ea\u5b85\u306b\u5b9f\u9a13\u5ba4\u3092\u4f5c\u308b\u5834\u5408\u3067\u3082\u3001\u9759\u97f3\u6027\u304c\u91cd\u8981\u306a\u30aa\u30fc\u30c7\u30a3\u30aa\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u3053\u308c\u3089\u306e\u30d2\u30f3\u30c8\u306f\u30e9\u30c3\u30af\u3092\u6dbc\u3057\u304f\u9759\u304b\u306b\u4fdd\u3064\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3057\u3063\u304b\u308a\u3068\u3057\u305f\u51fa\u767a\u70b9\u3068\u3057\u3066\u3001Yifu\u306e\u3082\u306e\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002 <a style=\"text-decoration: underline;\" href=\"https:\/\/sem.3ue.com\/analytics\/keywordoverview\/?q=4u server case&amp;db=us&amp;__gmitm=ayWzA3*l4EVcTpZei43sW*qRvljSdU\">4U\u30b5\u30fc\u30d0\u30fc\u30b1\u30fc\u30b9<\/a> \u53d6\u308a\u5916\u3057\u53ef\u80fd\u306a\u6df1\u3081\u306e\u30b3\u30f3\u30d1\u30fc\u30c8\u30e1\u30f3\u30c8\u304c8\u3064\u4ed8\u3044\u3066\u3044\u307e\u3059\u3002\u900f\u660e\u306a\u30dd\u30ea\u30ab\u30fc\u30dc\u30cd\u30fc\u30c8\u88fd\u306e\u30ab\u30d0\u30fc\u3001\u9ed2\u3044\u672c\u4f53\u3001\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u30cf\u30f3\u30c9\u30eb\u307e\u305f\u306f\u30d0\u30c3\u30af\u30eb\u304c\u30b9\u30bf\u30a4\u30ea\u30c3\u30b7\u30e5\u306a\u30c7\u30b6\u30a4\u30f3\u3067\u3059\u3002\u5f37\u5316\u69cb\u9020\u306a\u306e\u3067\u4eba\u306e\u4f53\u91cd\u306b\u3082\u8010\u3048\u3089\u308c\u3001\u6301\u3061\u904b\u3073\u3082\u7c21\u5358\u306a\u306e\u3067\u3001\u30e2\u30d0\u30a4\u30eb\u74b0\u5883\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h2 id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3 id=\"q-how-do-airflow-fans-differ-from-static-pressure-fans-in-4u-racks\">Q\uff1a4U\u30e9\u30c3\u30af\u306b\u304a\u3051\u308b\u30a8\u30a2\u30d5\u30ed\u30fc\u30d5\u30a1\u30f3\u3068\u9759\u5727\u30d5\u30a1\u30f3\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>A\uff1a\u30a8\u30a2\u30d5\u30ed\u30fc\u30d5\u30a1\u30f3\u306f\u3001CFM\uff08\u7acb\u65b9\u30d5\u30a3\u30fc\u30c8\/\u5206\uff09\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u5927\u91cf\u306e\u7a7a\u6c17\u3092\u79fb\u52d5\u3055\u305b\u3001\u6392\u6c17\u53e3\u306e\u3088\u3046\u306a\u958b\u3051\u305f\u5834\u6240\u3067\u6700\u3082\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u9759\u5727\u30d5\u30a1\u30f3\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u30b0\u30ea\u30eb\u306a\u3069\u306e\u72ed\u3044\u7a7a\u9593\u3092\u901a\u3057\u3066\u7a7a\u6c17\u3092\u62bc\u3057\u51fa\u3057\u307e\u3059\u30024U\u30b1\u30fc\u30b9\u306e\u3088\u3046\u306b\u7269\u304c\u90aa\u9b54\u306b\u306a\u308b\u3088\u3046\u306a\u524d\u9762\u5438\u6c17\u53e3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"q-how-can-i-check-if-my-4u-racks-cooling-is-working\">Q: 4U\u30e9\u30c3\u30af\u306e\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>A\uff1aHWMonitor\u306a\u3069\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066CPU\u3068GPU\u306e\u6e29\u5ea6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u98a8\u901f\u8a08\u306f\u5438\u6c17\u53e3\u3068\u6392\u6c17\u53e3\u306e\u7a7a\u6c17\u306e\u6d41\u308c\u3092\u6e2c\u5b9a\u3067\u304d\u307e\u3059\u3002\u8d64\u5916\u7dda\u6e29\u5ea6\u8a08\u306f\u3001\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u9ad8\u6e29\u7b87\u6240\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h3 id=\"q-how-many-fans-should-i-use-in-a-4u-rack-case\">Q: 4U\u30e9\u30c3\u30af\u30b1\u30fc\u30b9\u306b\u306f\u30d5\u30a1\u30f3\u3092\u3044\u304f\u3064\u4f7f\u7528\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>A\uff1a\u8a2d\u7f6e\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\u304c\u3001\u524d\u9762\u306b\u9ad8\u98a8\u91cf\uff08CFM\uff09\u306e\u5438\u6c17\u30d5\u30a1\u30f3\u30922\uff5e3\u500b\u3001\u80cc\u9762\u306b\u6392\u6c17\u30d5\u30a1\u30f3\u30921\uff5e2\u500b\u8a2d\u7f6e\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u7a7a\u6c17\u306e\u6d41\u308c\u304c\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u4fdd\u305f\u308c\u3001\u57c3\u306e\u4fb5\u5165\u3092\u9632\u304e\u3001\u9759\u97f3\u6027\u3082\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019re setting up a home lab, data center, or audio\/video rig, you want a server case that works well and stays quiet. A 4U rackmount case gives you lots of space, solid cooling options, and room to customize. But keeping it quiet isn\u2019t just about picking silent fans. You need to nail airflow, set up fans right, and tackle noise. Here\u2019s a straightforward guide to getting airflow, fan speeds, and noise control just right in your 4U case rackmount . &nbsp; What\u2019s a 4U Rack? A 4U rack is a case for servers or gear that fits four slots in a standard 19-inch rack. Each slot, called a &#8220;U,&#8221; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4623,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/posts\/4629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/comments?post=4629"}],"version-history":[{"count":1,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/posts\/4629\/revisions"}],"predecessor-version":[{"id":4630,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/posts\/4629\/revisions\/4630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/media\/4623"}],"wp:attachment":[{"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/media?parent=4629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/categories?post=4629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yifuproducts.com\/ja\/wp-json\/wp\/v2\/tags?post=4629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}