Core i3-550 Processor (3.2Ghz,4M Cache)/ Intel H57 Express/ 2GB DDR3/ Sound 7.1 / HDD 500GB / DVD-RW LightScrible/ GMA X4500 HD/ PCI E 16X/Gigabit NIC / wifi 802.11 a/b/g/n / Media Card Reader 15-in-1 / Wireless keyboard & mouse /S/PDIF out (optical)-DVI-IE1394 port Free Dos