1 x COM port header,1 x AAFP connector,1 x Front panel connector(s) (1 x 19-pin),4 x Front fan,1 x CPU fan with PWM control,1 x AUX panel header(s),1 x Rear fan,1 x M.2 Socket 3,1 x 8-pin EATX 12V Power connector,1 x Chassis intrusion header,1 x AAFP connector,2 x USB 3.1 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s),1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s),1 x TPM header,8 x SATA 6Gb/s connector(s),1 x S/PDIF out header(s),1 x 24-pin EATX Power connector(s),1 x COM port header