Supermicro X11SAE-M User Manual page 13

Connector Description
Back panel Universal Serial Bus (USB) Ports (USB 0/1: USB 2.0, USB6/7: USB 3.0, USB12/13:
USB0/1, 6/7, 12/13
USB 3.1)
USB2/3, 4/5, 8/9, 10/11 Front Accessible USB Headers (USB2/3, USB4/5: USB 2.0, USB8/9 and USB10/11: USB 3.0)
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Chapter 1: Introduction