Unverified80% confidenceTradeoffTime unknown
万兆网口分SFP+(光/DAC)和10GBASE-T(网口)两种,10GBASE-T发热高功耗大且需Cat6a布线,机房内短距离互联优先选SFP+ DAC线缆,成本低延迟低
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Long-term
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Unverified搭建家庭万兆内网标准路径:万兆NAS/主机→万兆交换机(含SFP+光口或10GBASE-T)→2.5G/万兆下行分发,光纤长距离用SFP+光模块、短距离用铜缆DAC更省钱且发热低79% similarUnverified组建家庭万兆网络的标准路径:万兆主干(NAS+主机接万兆口)+ 2.5G/千兆下联其他设备,交换机选带SFP+光口的型号可用光纤长距离传输,铜口(RJ45)万兆布线距离限30米内且发热高76% similarUnverified需要接千兆有线网络时,注意USB-C转网口的芯片限制,部分低端扩展坞网口仅百兆(100Mbps),选购需确认标注Gigabit/1000Mbps73% similarUnverified带宽越高的放大器(18Gbps/48Gbps)对线材质量要求越高,长距离场景下放大器带宽与线材铜芯规格需匹配;盲目买48Gbps放大器搭配廉价细线反而更容易断流72% similarUnverified内存必须组双通道(两根同规格)才能发挥带宽性能,核显机型双通道帧数比单通道普遍高30%-80%,因此宁可买2×8G也不要单根16G72% similar
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