Unverified80% confidenceDecision RuleTime unknown
PCIe万兆网卡需注意插槽带宽：X550为PCIe 3.0 x1不够跑满双万兆口，双口万兆需PCIe 3.0 x4以上插槽，插错插槽或用x1槽会限速
1
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80%
Confidence
Long-term
Relevance
-
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UnverifiedPCIe万兆网卡需要至少PCIe 2.0 x4或3.0 x2带宽，插在x1插槽会被限速无法跑满万兆，安装前确认主板插槽物理与带宽规格96% similarUnverifiedPCIe万兆网卡多需PCIe x4插槽带宽，插在x1槽会限速；选购前确认主板有空闲x4及以上物理槽位与足够lane90% similarUnverified4K60采集需PCIe 2.0 x4或PCIe 3.0 x1以上带宽，若只有PCIe x1插槽且为2.0标准（500MB/s）会导致4K60掉帧，此时应选PCIe 3.0接口版本的采集卡83% similarUnverifiedPCIe通道是工作站资源博弈焦点：多显卡+NVMe RAID+高速网卡需大量通道，普通消费CPU仅20-28条易不够，Threadripper PRO/至强可提供128条81% similarPartially VerifiedPCIe通道数决定能挂载的GPU和NVMe数量：Threadripper PRO/EPYC提供128条PCIe 4.0/5.0通道，可支持4-7张GPU全速运行；消费级平台（Intel Core/AMD Ryzen）仅约20-28条可用通道，插2张显卡就会降速到x8/x880% similar
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