1 x 4-pin CPU Fan 1 x 4-pin Chassis Fan 1 x 24-pin Main 1 x 8-pin +12V 1 x M.2 slots (Key M) 4 x SATA 6Gb/s 1 x USB 3.2 Gen1 2 x USB 2.0 1 x Clear CMOS 1 x Chassis Intrude 1 x COM Port 1 x Front Audi