Unverified90% confidenceDecision RuleTime unknown

USB-C+USB-A双接口OTG盘需确认接口是否支持USB 3.1 Gen1(5Gbps)以上协议，很多低价双头盘USB-C端实为USB 2.0，实测读取仅30MB/s左右

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90%

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Long-term

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OTG闪存盘category

Related Claims

Unverified不要买标注USB-C但内部仅USB 2.0(480Mbps/约40MB/s)的廉价读卡器，导入大文件极慢；认准USB 3.0/3.1标识86% similar UnverifiedUSB-C接口标注需看协议版本而非外形：USB3.2 Gen2为10Gbps、Gen1仅5Gbps、雷电4/USB4达40Gbps，外接固态硬盘等高速设备时协议不匹配会大幅拖慢速度84% similar UnverifiedUSB-A口为USB 3.0规格（5Gbps），对于需要USB 3.1 Gen2（10Gbps）高速传输大文件的用户来说带宽可能不够82% similar

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