Unverified92% confidenceFactTime unknown
CFexpress基于PCIe/NVMe协议，Type B为PCIe 3.0 x2通道，理论带宽约2000MB/s；Type A为PCIe 3.0 x1通道，理论带宽约1000MB/s，这是两者速度上限差异的根本原因
1
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92%
Confidence
Long-term
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UnverifiedCFexpress卡本身有CFexpress 2.0(单/双通道)与不同容量规格，双通道Type B读取可达1700MB/s以上，读卡器需支持对应通道数才能发挥卡的满速80% similarUnverifiedCFexpress Type B卡的传输速度可达1700MB/s以上，必须搭配USB 3.2 Gen2 (10Gbps)或Thunderbolt 3/4接口读卡器才能跑满，USB 3.0（5Gbps）接口会成为瓶颈把速度限制在约450MB/s77% similarUnverifiedPCIe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76% similarUnverifiedPCIe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76% similarUnverifiedCFexpress Type B读卡器需USB 3.2 Gen2（10Gbps）或雷电接口才能发挥1000MB/s以上速度，USB 3.0/3.1 Gen1（5Gbps）会成为瓶颈75% similar
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