HP Pavilion s7310n Celeron M 1.5GHz 512MB 160GB DVD&plusmn;RW XP HP Pavilion s7310n SlimlinePC General Features: Slimline design Microsoft Windows XP Home Editionpre-installed w/COA Intel Celeron M1.5 GHz processor 370 512 MB DDR2 RAM (Expandable up to 2 GB) 160 GB SATA hard drive DVD&#177;RW LightScribe drive Intel audio Integrated audio Memory card reader Integrated IEEE 1394 FireWire Integrated 10/100 Ethernet