Vostro 420 Tower Desktop (E8500)
CPU Intel Core 2 Duo E8500 / 3.16 GHz
Chipset Type Intel G45 Express
Technology DDR2 SDRAM - non-ECC
Hard Drive : 160GB
DVD±RW (±R DL) / DVD-RAM
Graphics Controller ATI Radeon HD 4350 (512MB) VGA, DVI, HDMI
OS Lic : Microsoft Windows Vista Business
With 4GB DDR2 Ram
http://www.retrevo.com/search?q=Dell+Vostro+420&rt=sp&modelid=23108309