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How fast is the drive or dock?

Hard drive or USB stickup to about 250 MB/s
Portable SSD (about 1,000 MB/s)USB 10Gbps
Fast SSD (about 2,000 MB/s)USB 20Gbps
Thunderbolt or USB4 SSD or dock3,000 MB/s and up

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Which cable do I need? Answers worked out from the standards, with the arithmetic shown.

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Updated 2026-11-03

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