Asus Pro WS 621-64L SAGE Series Manual page 39

10. USB 3.2 Gen 2 connector (Pro WS C621-64L SAGE only)
The USB 3.2 Gen 2 connector allows you to connect a USB 3.2 Gen 2 module for
additional USB 3.2 Gen 2 ports. The USB 3.2 Gen 2 connector provides data transfer
speeds of up to 10 Gb/s.
The USB 3.2 Gen 2 module is purchased separately.
11. USB 3.2 Gen 1 connector
The USB 3.2 Gen 1 connector allows you to connect a USB 3.2 Gen 1 module for
additional USB 3.2 Gen 1 ports. The USB 3.2 Gen 1 connector provides data transfer
speeds of up to 5 Gb/s.
The USB 3.2 Gen 1 module is purchased separately.
The plugged USB 3.2 Gen 1 device may run on xHCI or EHCI mode depending on the
operating system's setting.
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