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Amazon.co.jp: CalDigit Thunderbolt 4 Element Hub, Universal Multi-Port Hub, 4X Thunderbolt 4/USB4 Ports, 4X USB 3.2 Gen2 10Gb/s Ports, Single Display, Up to 8K or Dual 4K 60Hz Display, 60W Charging, with
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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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OWC 14-Port Thunderbolt 3 Dock with Cable, Compatible with Windows PC and Mac, Space Gray : Amazon.ca: Electronics
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