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Tests show Thunderbolt ports on M1 Macs don't fully support USB 3.1 Gen 2 speeds: Digital Photography Review
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UGREEN USB C Hub with Ethernet Port, 7-in-1 Multiport Adapter, 4K@60Hz HDMI to USB C, 100W PD, SD/TF Card Reader, 2 USB 3.0 Ports, MacBook Docking Station Compatible with Mac M1, M2,
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