Samsung's T9 portable SSD is its first with USB 3 Gen 2x2, it achieves 2,000MB/s transfer speeds
Briefly

This allows the external drives to reach 2,000MB/s sequential read and write speeds, twice as fast as the previous T7 drive (that one had a Gen 2x1 interface).
To help the drive stay fast, Samsung equipped it with its 'Dynamic Thermal Guard', which helps minimize slow downs due to thermal throttling.
Read at GSMArena.com
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