I/O USB 2 x USB 2.0 HDMI 1 LAN 1 x RJ45 (1000 Mbps/ 100Mbps) COM Port 1 (1 x RS232/ 422/ 485) USB2.0 2 Audio Line-Out, Mic-In PCIe Mini PCIE by USB Signal Digital I/O 1 (8-bit general purpose input/ output)