Asus ROG STRIX B450-E Gaming Manual page 29

7. M.2 Wi-Fi Slot (E-key, type 2230)
This connector allows you to connect a M.2 Wi-Fi module (E-key, type 2230).
8. USB 2.0 connector (10-1 pin USB1112)
This connector is for USB 2.0 ports. Connect the USB module cable to these
connectors, then install the module to a slot opening at the back of the system chassis.
This USB connector complies with USB 2.0 specification that supports up to 480 Mb/s
connection speed.
DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
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