1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 1 x CPU fan header 2 x system fan headers 1 x front panel header 1 x front panel audio header 1 x S/PDIF Out header 1 x serial port header 1 x parallel port 1 x Trusted Platform Module (TPM) header 1 x Clear CMOS jumper