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Cable for a hard drive or USB stick

Get this

The drive's own cable, or any USB 3 (5Gbps) cable

Look for

  • Blue USB-A port or any USB-C port

Avoid

  • USB 2.0 cables: copies drop to about 40 MB/s

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Speed in practice

LinkSignallingTypical real copy speed
USB 2.00.48 Gbps35–40 MB/s
USB 5Gbps5 Gbps400–450 MB/s
USB 10Gbps10 Gbps900–1,050 MB/s
USB 20Gbps20 Gbps1,800–2,000 MB/s
USB4 / Thunderbolt 40Gbps40 Gbps2,800–3,800 MB/s

Typical figures for good drives, as commonly measured; slower drives won't reach them.

Standards behind this answer