1 x COM port header,1 x USB 3.1 Gen2 connector support additional 1 USB ports(20-pin, Type-C),1 x Chassis intrusion header,1 x USB 3.1 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 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 SPI TPM header,4 x SATA 6Gb/s connector(s),1 x CPU Fan connector(s) (1 x 4-pin),1 x Chassis Fan connector(s) (1 x 4-pin),1 x 24-pin EATX Power connector(s),1 x 4-pin ATX 12V Power connector(s),1 x Front panel audio connector(s) (AAFP),1 x Clear CMOS jumper(s),1 x System panel connector,1 x COM port header,1 x LPC Debug header,1 x Speaker connector