ASROCK phantom gaming Z790 PG LIGHTNING User Manual page 37

Front Panel Type C USB 3.2 Gen1 Header
(20-pin USB32_TC2) (see p.6, No. 14)
There is one Front Panel Type C USB 3.2 Gen1 Header on this motherboard. This
header is used for connecting a USB 3.2 Gen1 module for additional USB 3.2 Gen1
ports.
USB32_TC2
USB Type-C Cable
32