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USB 3.2 Gen 2 Hubs: Real Speed, Compatibility, and Buying Criteria
TL;DR: A USB 3.2 Gen 2 hub provides one 10Gbps upstream link, not 10Gbps of dedicated bandwidth for every port. Real performance depends on the host, cables, hub controller, peripherals, power, and operating system.
A USB 3.2 Gen 2 hub provides a 10Gbps signaling link to its host. It does not provide 10Gbps of independent bandwidth to every downstream port. One fast external SSD can consume most of that link; two busy SSDs must share it. The hub should also work on 5Gbps USB, USB 2.0, USB4...
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