{"id":148086,"date":"2024-05-28T14:44:05","date_gmt":"2024-05-28T06:44:05","guid":{"rendered":"https:\/\/www.juejinka.com\/?p=148086"},"modified":"2024-05-28T14:44:08","modified_gmt":"2024-05-28T06:44:08","slug":"%e4%bb%80%e4%b9%88%e6%98%af-usb-3-2-gen-1%e3%80%81gen-2-%e5%92%8c-gen-2x2%ef%bc%9f-%e5%ae%83%e4%bb%ac%e6%9c%89%e4%bd%95%e5%b7%ae%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.juejinka.com\/y\/148086.html","title":{"rendered":"\u4ec0\u4e48\u662f USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72\uff1f \u5b83\u4eec\u6709\u4f55\u5dee\u522b\uff1f"},"content":{"rendered":"\n<p>\u8fc7\u53bb\uff0c\u60f3\u8981\u627e\u5230\u6700\u5feb\u7684USB\u5f88\u5bb9\u6613\uff0c\u4f60\u53ea\u9700\u8981\u8ba4\u51c6USB 3.0\u800c\u975eUSB 2.0\u3002 \u4f46\u73b0\u5728\uff0c\u4f60\u53ef\u4ee5\u5728\u5e02\u9762\u4e0a\u770b\u5230\u8bb8\u591a\u52a0\u6ce8\u4e86 Gen 1\u3001Gen 2\u3001Gen 3 \u6216\u662f Gen 2\u00d72 \u7684\u4ea7\u54c1\uff0c\u8ba9\u9009\u8d2d\u8fd9\u4ef6\u4e8b\u60c5\u53d8\u5f97\u4ee4\u4eba\u56f0\u60d1\u3002 \u73b0\u5728\uff0c\u6211\u4eec\u5c06\u5f15\u5bfc\u4f60\u4e86\u89e3 USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72 \u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"516\" src=\"https:\/\/www.juejinka.com\/news\/wp-content\/uploads\/2024\/05\/2024052706293296.png\" alt=\"\" class=\"wp-image-148088\"\/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"%E4%BB%80%E4%B9%88%E6%98%AF_USB_32_Gen_1%E3%80%81Gen_2_%E5%92%8C_Gen_2%C3%972%EF%BC%9F_%E5%AE%83%E4%BB%AC%E6%9C%89%E4%BD%95%E5%B7%AE%E5%88%AB%EF%BC%9F\"><\/span>\u4ec0\u4e48\u662f USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72\uff1f \u5b83\u4eec\u6709\u4f55\u5dee\u522b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a09c9c6944f4\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a09c9c6944f4\"  type=\"checkbox\" id=\"item-6a09c9c6944f4\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#%E4%BB%80%E4%B9%88%E6%98%AF_USB_32_Gen_1%E3%80%81Gen_2_%E5%92%8C_Gen_2%C3%972%EF%BC%9F_%E5%AE%83%E4%BB%AC%E6%9C%89%E4%BD%95%E5%B7%AE%E5%88%AB%EF%BC%9F\" title=\"\u4ec0\u4e48\u662f USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72\uff1f \u5b83\u4eec\u6709\u4f55\u5dee\u522b\uff1f\">\u4ec0\u4e48\u662f USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72\uff1f \u5b83\u4eec\u6709\u4f55\u5dee\u522b\uff1f<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#USB_31_%E5%91%BD%E5%90%8D%E6%B7%B7%E4%B9%B1\" title=\"USB 3.1 \u547d\u540d\u6df7\u4e71\">USB 3.1 \u547d\u540d\u6df7\u4e71<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#USB_32_%E9%80%9F%E5%BA%A6%E6%9B%B4%E5%BF%AB%EF%BC%8C%E4%BD%86%E6%9B%B4%E8%AE%A9%E4%BA%BA%E7%96%91%E6%83%91\" title=\"USB 3.2 \u901f\u5ea6\u66f4\u5feb\uff0c\u4f46\u66f4\u8ba9\u4eba\u7591\u60d1\">USB 3.2 \u901f\u5ea6\u66f4\u5feb\uff0c\u4f46\u66f4\u8ba9\u4eba\u7591\u60d1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#%E6%9B%B4%E7%AE%80%E5%8D%95%E7%9A%84%E5%91%BD%E5%90%8D%E6%9D%A5%E4%BA%86%EF%BC%8C%E4%BD%86%E5%B9%B6%E4%B8%8D%E7%BB%9F%E4%B8%80%E4%BD%BF%E7%94%A8\" title=\"\u66f4\u7b80\u5355\u7684\u547d\u540d\u6765\u4e86\uff0c\u4f46\u5e76\u4e0d\u7edf\u4e00\u4f7f\u7528\">\u66f4\u7b80\u5355\u7684\u547d\u540d\u6765\u4e86\uff0c\u4f46\u5e76\u4e0d\u7edf\u4e00\u4f7f\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#USB_32_Gen_1%E3%80%81Gen_2_%E5%92%8C_Gen_2%C3%972_%E9%80%9F%E5%BA%A6%E6%AF%94%E8%BE%83\" title=\"USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72 \u901f\u5ea6\u6bd4\u8f83\">USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72 \u901f\u5ea6\u6bd4\u8f83<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.juejinka.com\/y\/148086.html\/#USB_32_%E4%B8%8D%E4%BC%9A%E5%86%8D%E6%9C%89%E6%96%B0%E6%88%90%E5%91%98\" title=\"USB 3.2 \u4e0d\u4f1a\u518d\u6709\u65b0\u6210\u5458\">USB 3.2 \u4e0d\u4f1a\u518d\u6709\u65b0\u6210\u5458<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p>\u66fe\u7ecf\uff0cUSB \u53ea\u6709 2.0 \u4e0e 3.0 \u4e24\u79cd\u4e3b\u8981\u7248\u672c\uff0c\u4f60\u53ea\u9700\u8981\u4e86\u89e3 3.0 \u5c31\u662f\u6bd4 2.0 \u5feb\u5373\u53ef\u3002 \u4f60\u53ef\u4ee5\u8d2d\u4e70USB 2.0 U\u76d8\u5e76\u5c06\u5b83\u63d2\u5165\u5177\u5907USB 3.0\u7aef\u53e3\u7684\u7535\u8111\u4e0a\uff0c\u4f9d\u7136\u53ef\u4ee5\u8fd0\u4f5c\u5f97\u5f88\u597d\uff0c\u53ea\u662f\u901f\u5ea6\u4e0a\u53ea\u80fd\u8fbe\u5230USB 2.0\u3002 \u5f53\u4f60\u628aUSB 3.0 UD\u63d2\u5165USB 2.0\u7684\u63a5\u53e3\u4e0a\u65f6\u4e5f\u540c\u6837\u53ea\u80fd\u4eab\u7528\u5230USB 2.0\u7684\u901f\u5ea6\u3002 \u5982\u679c\u4f60\u5e0c\u671b\u80fd\u8fbe\u5230\u901f\u5ea6\u4e0a\u7684\u9876\u5cf0\uff0c\u5219\u9700\u8981\u4ee5USB 3.0 U\u76d8\u642d\u914dUSB 3.0\u63a5\u53e3\uff0c\u5c31\u662f\u5982\u6b64\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u662f\u5230\u4e86USB 3.1\u4e00\u5207\u90fd\u6539\u53d8\u4e86\u3002<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"USB_31_%E5%91%BD%E5%90%8D%E6%B7%B7%E4%B9%B1\"><\/span>USB 3.1 \u547d\u540d\u6df7\u4e71<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>USB-IF\u8d1f\u8d23\u7ef4\u62a4\u4e0e\u66f4\u65b0USB\u89c4\u683c\u4e0e\u89c4\u8303\uff0c\u5e76\u4e14\u63d0\u4f9bUSB\u7ebf\u6750\u548c\u88c5\u7f6e\u7684\u547d\u540d\u65b9\u6848\u3002 \u5f53\u4ed6\u4eec\u63a8\u51faUSB 3.1\u65f6\uff0c\u5e76\u6ca1\u6709\u7b80\u5355\u68e3\u8ba9\u8fd9\u4e2a\u540d\u79f0\u4e0eUSB 3.1\u533a\u9694\u5f00\uff0c\u800c\u662f\u5c06\u65b0\u6807\u51c6\u547d\u540d\u4e3aUSB 3.1 Gen 2\uff0c\u5e76\u4e14\u6eaf\u53ca\u4ee5\u5f80\u5730\u5c06USB 3.0\u6539\u540d\u4e3aUSB 3.1Gen 1\u3002<\/p>\n\n\n\n<p>\u66f4\u590d\u6742\u7684\u662f\uff0c\u5c31\u8fde\u4f20\u8f93\u901f\u5ea6\u672c\u8eab\u90fd\u88ab\u91cd\u65b0\u547d\u540d\u3002 USB 3.1 Gen 1\uff08\u539f USB 3.0\uff09\u80fd\u591f\u5b9e\u73b0 5Gbps \u7684\u4f20\u8f93\u901f\u5ea6\uff0c\u79f0\u4e3a\u300cSuperSpeed\u300d; USB 3.1 Gen 2 \u7684\u4f20\u8f93\u901f\u5ea6\u4e3a 10Gbps\uff0c\u79f0\u4e3a\u300cSuperSpeed+\u300d\u3002 \u4ece\u6280\u672f\u4e0a\u8bb2\uff0c\u5b83\u901a\u8fc7\u5728\u5168\u53cc\u5de5\u4f20\u8f93\u6a21\u5f0f\u4e0b\u4f7f\u7528 128b\/132b \u7f16\u7801\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002 \u5168\u53cc\u5de5\u4f20\u8f93\u4ee4\u4eba\u5174\u594b\uff0c\u56e0\u4e3a\u8fd9\u4ee3\u8868\u53ef\u4ee5\u540c\u65f6\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b83\u7684\u901f\u5ea6\u4f1a\u66f4\u5feb\u3002<\/p>\n\n\n\n<p>\u4e24\u8005\u4e4b\u95f4\u7684\u5dee\u5f02\u6709\u70b9\u8ba9\u4eba\u56f0\u60d1\uff0c\u4f46\u5bf9\u4e00\u822c\u6d88\u8d39\u8005\u6765\u8bf4\uff0c\u53ea\u8981\u8bb0\u5f97\u7b2c2\u4ee3\u6bd4\u7b2c1\u4ee3\u66f4\u65b0\u3001\u66f4\u597d\uff0c\u5728\u9009\u8d2d\u65f6\u5c31\u6bd4\u8f83\u660e\u786e\u3002 \u4e3a\u4e86\u5e2e\u52a9\u533a\u5206\u901f\u5ea6\uff0cUSB-IF \u8fd8\u4f7f\u7528\u7279\u522b\u7684\u6807\u7ae0\uff0c\u5236\u9020\u5546\u5728\u901a\u8fc7\u8ba4\u8bc1\u540e\u624d\u80fd\u4f7f\u7528\u8be5\u6807\u7ae0\uff0c\u4ee5\u8bc1\u660e\u7ebf\u624d\u4e0e\u627f\u8bfa\u7684\u89c4\u683c\u76f8\u7b26\u3002<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"USB_32_%E9%80%9F%E5%BA%A6%E6%9B%B4%E5%BF%AB%EF%BC%8C%E4%BD%86%E6%9B%B4%E8%AE%A9%E4%BA%BA%E7%96%91%E6%83%91\"><\/span>USB 3.2 \u901f\u5ea6\u66f4\u5feb\uff0c\u4f46\u66f4\u8ba9\u4eba\u7591\u60d1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>2017\u5e749\u6708\uff0cUSB-IF\u516c\u544a\u4e86USB 3.2\u7684\u89c4\u8303\u3002 USB 3.2\u901f\u5ea6\u53ef\u8fbe\u523020Gbps\uff0c\u662fUSB 3.1Gen 2\u7684\u4e24\u500d\uff0c\u5176\u4e2d\u6709\u4e24\u4e2a10Gbps\u901a\u9053\uff0c\u4f60\u53ef\u4ee5\u60f3\u8c61\u6210\u66f4\u591a\u7684\u7535\u7ebf\u88ab\u653e\u8fdb\u540c\u4e00\u6761\u7f06\u7ebf\u4e2d\u3002 \u5c31\u50cf\u4e4b\u524d\u7684\u8fed\u4ee3\u4e00\u6837\uff0c\u8fd9\u4e2a\u8f83\u65b0\u7684\u6807\u51c6\u5411\u4e0b\u517c\u5bb9\uff0c\u5982\u6ca1\u6709\u914d\u5957\u7684\u53ef\u652f\u6301\u65b0\u786c\u4ef6\u5c06\u65e0\u6cd5\u83b7\u5f97\u66f4\u5feb\u7684\u901f\u5ea6\u3002 \u57282019\u5e74\u7684MWC\u4e0a\uff0cUSB-IF\u5ba3\u5e03\u4e86\u65b0\u6807\u51c6\u7684\u6807\u793a\u548c\u547d\u540d\u65b9\u6848\uff0c\u5148\u524d\u7684\u547d\u540d\u518d\u6b21\u88ab\u5f03\u7528\u5e76\u8ffd\u6eaf\u66f4\u6539\uff0c\u4f20\u8f93\u901f\u5ea6\u4e3a5Gbps\u7684USB 3.0\u5c06\u6210\u4e3aUSB 3.2 Gen 1\u3002<\/p>\n\n\n\n<p>20Gbps\u6807\u51c6\u88ab\u547d\u540d\u4e3aUSB 3.2 Gen 2\u00d72\uff0c\u6253\u7834\u4e86\u8fc7\u53bb\u53ef\u9884\u6d4b\u7684\u547d\u540d\u89c4\u5219\u3002 \u4ece\u7269\u7406\u4e0a\u8bb2\uff0c\u5b83\u6709\u4e24\u4e2a 10Gbps \u901a\u9053\uff0c\u56e0\u6b64\u5b83\u5b9e\u9645\u4e0a\u662f 2\u00d72\u3002 \u8fd9\u4e2a\u540d\u5b57\u867d\u7136\u6709\u903b\u8f91\uff0c\u4f46\u5b83\u5f88\u4ee4\u4eba\u56f0\u60d1\uff0c\u6d88\u8d39\u8005\u5fc5\u987b\u5bf9 USB \u786c\u4ef6\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\u624d\u80fd\u610f\u8bc6\u5230\u5b83\u771f\u6b63\u7684\u610f\u4e49\u3002<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"%E6%9B%B4%E7%AE%80%E5%8D%95%E7%9A%84%E5%91%BD%E5%90%8D%E6%9D%A5%E4%BA%86%EF%BC%8C%E4%BD%86%E5%B9%B6%E4%B8%8D%E7%BB%9F%E4%B8%80%E4%BD%BF%E7%94%A8\"><\/span>\u66f4\u7b80\u5355\u7684\u547d\u540d\u6765\u4e86\uff0c\u4f46\u5e76\u4e0d\u7edf\u4e00\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4ece 2020 \u5e74\u5f00\u59cb\uff0cUSB-IF \u4e0d\u5e0c\u671b\u7528\u6237\u518d\u770b\u5230\u8fd9\u4e9b\u590d\u6742\u7684\u540d\u79f0\uff0c\u76f8\u53cd\uff0c\u4ed6\u4eec\u5e0c\u671b\u7b2c\u4e00\u4ee3\u4ea7\u54c1\u4ee5\u300cSuperSpeed USB\u300d\u7684\u5f62\u5f0f\u9500\u552e\u3002 \u8be5\u5355\u4f4d\u5efa\u8bae\u5382\u5546\u5c06 Gen 2 \u4ea7\u54c1\u4ee5\u300cSuperSpeed+ USB 10Gbps\u300d\u4e3a\u540d\u9500\u552e\uff0c\u5c06 Gen 2\u00d72 \u4ee5\u300cSuperSpeed+ USB 20Gbps\u300d\u4e3a\u540d\u9500\u552e\u3002 \u8fd9\u662f\u4e00\u4e2a\u8fdb\u6b65\uff0c\u4f46\u5e76\u975e\u4e07\u65e0\u4e00\u5931\uff0c\u5e78\u8fd0\u7684\u662f\uff0cUSB-IF\u57282022\u5e74\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u5efa\u8bae\u4f7f\u7528\u7684\u540d\u79f0\uff0c\u4ee5\u66f4\u7b80\u5355\u5730\u8868\u8ff0\u901f\u5ea6\uff0c\u5206\u522b\u4e3aUSB 5Gbps\u3001USB 10Gbps\u548cUSB 20Gbps\u3002<\/p>\n\n\n\n<p>\u884c\u6587\u81f3\u6b64\uff0c\u4f60\u53ef\u80fd\u89c9\u5f97\u66f4\u7b80\u5355\u6613\u61c2\u4e86\uff0c\u5bf9\u5427\uff1f \u4f46\u8fd9\u5e76\u4e0d\u4ee3\u8868\u5236\u9020\u5546\u5c31\u5fc5\u987b\u4f7f\u7528\u8fd9\u4e9b\u88ab\u7b80\u5316\u7684\u540d\u79f0\u3002 \u5236\u9020\u5546\u53ef\u4ee5\u4f7f\u7528SuperSpeed\u6216\u66f4\u65e9\u7684 Gen 2.2 \u547d\u540d\u6765\u9500\u552e\u4ea7\u54c1\uff0c\u6216\u8005\u5982\u679c\u4ed6\u4eec\u61d2\u5f97\u63a5\u53d7\u6d4b\u8bd5\u548c\u68c0\u9a8c\uff0c\u53ef\u4ee5\u653e\u5f03\u6807\u7ae0\u5e76\u4f7f\u7528\u4ed6\u4eec\u559c\u6b22\u7684\u4efb\u4f55\u540d\u79f0\u3002<\/p>\n\n\n\n<p>\u5f53\u5236\u9020\u5546\u4f7f\u7528SuperSpeed\u6807\u51c6\u65f6\uff0c\u547d\u540d\u95ee\u9898\u81f3\u5c11\u4f1a\u6bd4\u8f83\u7b80\u5355\u3002 \u5bfb\u627e\u540d\u79f0\u4e2d\u662f\u5426\u6709SuperSpeed\u5b57\u6837\u5e76\u68c0\u67e5\u662f\u5426\u6709\u6570\u5b57\u3002 \u5982\u679c\u4f60\u6ca1\u6709\u770b\u5230\uff0c\u5b83\u5c31\u662f\u6700\u6162\u7684 USB 3.2\u3002 \u5982\u679c\u4f60\u770b\u5230SuperSpeed+\u548c10\u621620\uff0c\u5219\u8868\u793a\u4f20\u8f93\u901f\u5ea6\u4e3a10Gbps\u621620Gbps\u3002 \u5982\u4e0b\u56fe\u6240\u793a\uff0cSS\u548c10\u8868\u793aUSB\u63a5\u53e3\u662f\u80fd\u591f\u8fdb\u884c10Gbps\u4f20\u8f93\u7684\u8d85\u9ad8\u901f\u63a5\u53e3\u3002 \u8f83\u65b0\u7684 SuperSpeed+ USB 20Gbps \u7684\u54c1\u724c\u4f7f\u7528\u76f8\u540c\u7684\u5fbd\u6807\uff0c\u53ea\u662f\u5728\u539f\u672c 10 \u7684\u90e8\u5206\u6539\u52a0\u6ce8\u4e3a 20\uff0c\u81f3\u5c11\u5b83\u770b\u8d77\u6765\u4e00\u76ee\u4e86\u7136\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/www.juejinka.com\/news\/wp-content\/uploads\/2024\/05\/2024052706294391.png\" alt=\"\" class=\"wp-image-148089\"\/><\/figure>\n\n\n\n<p>\u5982\u679c\u4f60\u8fd8\u8bb0\u5f97 USB-C \u65e9\u671f\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u6807\u7ae0\u4e0a\u770b\u8d77\u6765\u5f88\u76f8\u4f3c\u62c5\u5fc3\u91cd\u8e48\u8986\u8f99\u3002 \u5728\u8d2d\u4e70\u65f6\uff0c\u8bf7\u4ed4\u7ec6\u9605\u8bfb\u4ea7\u54c1\u4ecb\u7ecd\uff0c\u5e76\u4e14\u4ece\u4fe1\u8a89\u826f\u597d\u3001\u503c\u5f97\u4fe1\u8d56\u7684\u6765\u6e90\u8d2d\u4e70\uff0c\u4e14\u5efa\u8bae\u9009\u8d2d\u54c1\u724c\u8f83\u53ef\u4fe1\u8d56\u7684\u4ea7\u54c1\u3002<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"USB_32_Gen_1%E3%80%81Gen_2_%E5%92%8C_Gen_2%C3%972_%E9%80%9F%E5%BA%A6%E6%AF%94%E8%BE%83\"><\/span>USB 3.2 Gen 1\u3001Gen 2 \u548c Gen 2\u00d72 \u901f\u5ea6\u6bd4\u8f83<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5982\u679c\u4f60\u624b\u4e0a\u7684\u8bbe\u5907\u5e76\u6ca1\u6709\u4f7f\u7528 USB-IF \u5efa\u8bae\u7684\u6807\u7ae0\uff0c\u4e0b\u9762\u6211\u4eec\u6574\u7406\u4e86\u5173\u4e8e\u7f8e\u4e00\u4ee3\u7684\u4fe1\u606f\u8868\uff0c\u5176\u4e2d\u5305\u542b\u5b83\u80fd\u5230\u8fbe\u7684\u901f\u5ea6\u3001\u5bf9\u5e94\u5b98\u65b9\u6807\u7ae0\u4ee5\u53ca\u5176\u4ed6\u7528\u540d\u3002 \u8fd9\u4e9b\u4e16\u4ee3\u4e4b\u95f4\u552f\u4e00\u7684\u5176\u4ed6\u663e\u8457\u5dee\u5f02\u662fUSB 20Gbps\uff08Gen 2\u00d72\uff09\u4ec5\u9650USB Type-C\u8fde\u63a5\u57e0\u548c\u7ebf\u6750\uff0c\u56e0\u6b64\u4f60\u4e0d\u4f1a\u770b\u5230\u4efb\u4f55\u9644\u5e26\u8be5\u6807\u7b7e\u7684USB Type-A\u6216Micro USB\u8fde\u63a5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u4e16\u4ee3<\/td><td>\u901f\u5ea6<\/td><td>\u5b98\u65b9\u540d\u79f0<\/td><td>\u5176\u4ed6\u7528\u540d<\/td><\/tr><tr><td>USB 3.2 Gen 1<\/td><td>5Gbps<\/td><td>USB 5Gbps<\/td><td>USB 3.0<br>USB 3.1 Gen 1<br>SuperSpeed USB 5Gbps<\/td><\/tr><tr><td>USB 3.2 Gen 2<\/td><td>10Gbps<\/td><td>USB 10Gbps<\/td><td>USB 3.1 Gen 2<br>USB 3.2 Gen 2\u00d71<br>SuperSpeed+ USB 10Gbps<\/td><\/tr><tr><td>USB 3.2 Gen 2\u00d72<\/td><td>20Gbps<\/td><td>USB 20Gbps<\/td><td>SuperSpeed+ USB 20Gbps<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5982\u679c\u9664\u901f\u5ea6\u4e4b\u5916\u8fd8\u60f3\u4e86\u89e3\u7535\u529b\u4f20\u8f93\uff0c\u90a3\u5f88\u7b80\u5355\uff1a\u65e0\u8bba\u54ea\u4e00\u4ee3\uff0c\u6240\u6709 USB 3.x \u63a5\u53e3\u90fd\u53ea\u6709\u63d0\u4f9b\u7b80\u964b\u7684 4.5W \u5145\u7535\u80fd\u529b\u3002 \u8fd9\u867d\u7136\u4e0e\u624b\u673a\u5feb\u5145\u6240\u9700\u768418W\u76f8\u53bb\u751a\u8fdc\uff0c\u81f3\u5c11\u6bd4USB 2.0\u76842.5W\u597d\u591a\u4e86\uff0c\u56e0\u6b64\u5982\u679c\u53ef\u4ee5\u5728USB 2.0\u548c3.2\u7aef\u53e3\u4e4b\u95f4\u62e9\u4e00\u4e3a\u8bbe\u5907\u5145\u7535\uff0c\u8bf7\u59cb\u7ec8\u9009\u62e93.2\u7aef\u53e3\uff08\u4f46\u4e0d\u8981\u5bf9\u5b83\u62b1\u6709\u592a\u5927\u671f\u671b\uff09\u3002<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"USB_32_%E4%B8%8D%E4%BC%9A%E5%86%8D%E6%9C%89%E6%96%B0%E6%88%90%E5%91%98\"><\/span>USB 3.2 \u4e0d\u4f1a\u518d\u6709\u65b0\u6210\u5458<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u770b\u5230\u8fd9\u91cc\u662f\u4e0d\u662f\u89c9\u5f97\u6709\u4e9b\u526a\u4e0d\u65ad\u7406\u8fd8\u4e71\uff1f \u597d\u6d88\u606f\u662f\uff0cUSB 3.2 \u4e0e\u5176\u4ed6\u6240\u6709\u7684\u884d\u751f\u4e16\u4ee3\u5df2\u7ecf\u7ed3\u675f\uff0c\u76ee\u524d\u5df2\u7ecf\u88ab USB 4 \u7b49\u6280\u672f\u6240\u53d6\u4ee3\uff0c\u540e\u8005\u5728\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u548c\u7535\u529b\u4f20\u8f93\u4e0a\u8f7b\u8f7b\u677e\u677e\u5c31\u51fb\u8d25\u4e86 USB 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\u7684&#8230;<\/p>\n","protected":false},"author":5,"featured_media":148087,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"special":[],"_links":{"self":[{"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/posts\/148086"}],"collection":[{"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/comments?post=148086"}],"version-history":[{"count":1,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/posts\/148086\/revisions"}],"predecessor-version":[{"id":148090,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/posts\/148086\/revisions\/148090"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/media\/148087"}],"wp:attachment":[{"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/media?parent=148086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/categories?post=148086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/tags?post=148086"},{"taxonomy":"special","embeddable":true,"href":"https:\/\/www.juejinka.com\/news\/wp-json\/wp\/v2\/special?post=148086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}