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The UGREEN 20Gbps enclosure uses USB 3.2 Gen 2x2, which doubles the 10Gbps standard to around 2,000 MB/s, but only on a port that supports Gen 2x2. Those ports are mostly found on recent Windows desktop motherboards and some laptops. Macs do not support Gen 2x2 at all, so on a Mac this enclosure runs at 10Gbps. It accepts 2230 to 2280 NVMe drives up to 8TB, supports UASP and TRIM, and comes with a matching cable, cooling pad and silicone case. Check your computer's specifications for a USB 3.2 Gen 2x2 (20Gbps) port before buying. If you have one, this is the best-value speed upgrade here; if not, choose a 10Gbps or 40Gbps model instead.
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Last checked: Sep 26, 2026