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[问与答] USB4 (雷电 4) 硬盘盒兼容性问题

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题主买了个 USB4 硬盘盒, ASM2464PD 的芯片, 用三星 980Pro 放在里面当硬盘用, 但是发现读写速度很慢, 读取 3000MB/s 写入只有 500MB/s. 同一个硬盘盒同一个电脑, 放 SN850X 就是正常的, 读写都是 3000MB/s. 最后又买了个另外一家的 ASM2464PD 硬盘盒, 发现同样的问题, 980Pro 很慢但是 SN850X 正常.

把硬盘盒插在普通 USB3.2 Gen2 x2 的接口上能达到 20Gbps 的速率, 980Pro 读写都有 2000MB/s, 但是一用雷电就慢了. 用 CrystalDiskInfo 看了一下发现 980Pro 硬盘工作在 PCIe 4.0 x2 速率下面, 有什么可能的因素导致这样的吗? 有没有别人遇到过, 或者有什么修复方案.

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