Acer Veriton N 2620G. AMD Sempron Dual-Core 2650 (2 x 512KB L2 cache 1.45GHz) Memory: 2GB (2/0) DDR3 SDRAM Storage: 500GB hard drive 5400RPM; SD card reader Graphics: Integrated AMD Radeon R3 Communications: Gigabit LAN 802.11a/b/g/n WLAN Bluetooth 4.0 OS: Linpus Linux Lite (For initial bootup only. An OS must then be installed.) Upgradeable up to 16GB DDR3 SDRAM (8GB x 2) Interface ports: serial RJ-45 LAN VGA headphone/speaker microphone audio HDMI two USB 3.0 (one front one side) three USB 2.0 (one front two side)