Unverified50% confidenceDecision RuleTime unknown
USB 2.0接口理论带宽仅60MB/s，实际写入通常10-15MB/s，拷贝单个大文件（如10GB视频）需10分钟以上；只要预算允许应直接选USB 3.0（3.2 Gen1）及以上，速度提升5-10倍
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