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	<title>USB-C供电 &#8211; mylogs.cn</title>
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		<title>一根USB-C线，就能喂饱一台整机</title>
		<link>https://mylogs.cn/%e4%b8%80%e6%a0%b9usb-c%e7%ba%bf%ef%bc%8c%e5%b0%b1%e8%83%bd%e5%96%82%e9%a5%b1%e4%b8%80%e5%8f%b0%e6%95%b4%e6%9c%ba/</link>
					<comments>https://mylogs.cn/%e4%b8%80%e6%a0%b9usb-c%e7%ba%bf%ef%bc%8c%e5%b0%b1%e8%83%bd%e5%96%82%e9%a5%b1%e4%b8%80%e5%8f%b0%e6%95%b4%e6%9c%ba/#respond</comments>
		
		<dc:creator><![CDATA[steve, zhang]]></dc:creator>
		<pubDate>Tue, 04 Aug 2026 18:31:45 +0000</pubDate>
				<category><![CDATA[经验与技巧]]></category>
		<category><![CDATA[BIOS设置]]></category>
		<category><![CDATA[USB-C供电]]></category>
		<category><![CDATA[家庭服务器]]></category>
		<category><![CDATA[硬件技巧]]></category>
		<category><![CDATA[迷你主机]]></category>
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					<description><![CDATA[你桌上那台迷你主机，多半还拖着一块黑色电源砖，圆头接口大小各异，换台机器就得换根线。How-To Geek 撰 [&#8230;]]]></description>
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<p class="wp-block-paragraph">你桌上那台迷你主机，多半还拖着一块黑色电源砖，圆头接口大小各异，换台机器就得换根线。How-To Geek 撰稿人 Patrick Campanale 最近发现，他那台 GEEKOM IT13 Max 压根不需要它——直接用 USB-C 供电就能开机，实测输出 28W。</p>



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<p class="wp-block-paragraph">原理并不复杂。迷你主机本来就吃直流电，而 USB-C PD（供电协议）单根线最高能送 240W，远超绝大多数迷你主机的胃口。于是一个充电头就能同时喂饱手机、笔记本和一整台电脑，桌面上少一堆形状不一的电源砖。</p>



<p class="wp-block-paragraph">这只是六个被忽略的用法之一。BIOS 里通常藏着<strong>&#8220;来电自启&#8221;</strong>选项，打开后停电恢复就自动开机，不用再钻到桌子底下按电源键。带双 2.5GbE 网口的机型可以装 <strong>OPNsense 或 pfSense</strong> 当路由器和防火墙；也可以一口接交换机、一口用网线<strong>直连 NAS</strong>，哪怕家里主网还是千兆，这条直连链路照样能跑满 2.5G。包装盒里那块金属板别扔，那是 VESA 挂架，把主机固定在显示器背面基本看不见，而部分显示器还能反过来通过 USB-C 给它供 60W 电。</p>



<p class="wp-block-paragraph">我的判断是，迷你主机真正值钱的地方从来不是&#8221;小&#8221;，而是这些接口凑出来的组合自由度——它比塔式机好摆，又比树莓派能干得多。</p>



<p class="wp-block-paragraph">你桌上那台，现在还只是当浏览器机在用吗？</p>



<p class="wp-block-paragraph">来源：How-To Geek</p>
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