One Internal Card Slot, Rear USB 2.0 Specification Hi-Speed Certified (Type B), Gigabit Ethernet (10/100/1000), Front USB 2.0 Specification Hi-Speed Certified port (Type A), Rear USB 2.0 Specification Hi-Speed Certified Port (Type A) Wi-Fi:Option available (802.11 a/b/g/n/ac Wireless)