HP Pavilion p6-2126s Desktop PC-AMD A4-3420/2.80GHz-1M/4GB RAM/1TB HDD/DVDRW/Win 7 Home Premium AMD Dual-core A4-3420 2.80GHz; Windows 7 Home Premium 64-bit 4GB DDR3; 1TB SATA Hard Drive ATI AMD Radeon HD 6410D; DVD-RAM Drive Integrated HD Audio; 10/100/1000 Gigabit Ethernet; Wireless LAN Front: 2 USB 2.0, Headphone, Microphone, Card Reader (Smart Media, SD, Memory Stick, XD) Rear: 4 USB 2.0 ports, Microphone jack, headphone jack, VGA, DVI, RJ-45 (LAN)