... 8 sound channel cardonboard network cardOn-board Broadcom BCM57781 Gigabit Ethernet, dual antenna Wireless LAN 802.11b/g/n Wi-FiExtended parameterHDD portS ... graphics standardPCIE 2.0,PCIE 3.0Extended slots1×PCI E X16,1×mini PCI-EExtended portsKeyboard and mouse PS / 2, E ... SATA, for DVI, HDMI, the Display Port interface, USB 2.0, USB 3.0,1 × RJ45 Ethernet port, audio interface, optical interface, two ...