eMachines W6409 Desktop PC Bundled with 19" LCD Widescreen Monitor CPU - Intel Pentium 4 Processor 531 with Hyper-Threading Technology (3.00GHz, 800MHz FSB, 1MB L2 cache) Operating System - Genuine Microsoft Windows XP Media Center Edition 2005 Chipset - ATI Radeon Xpress 200 / Memory - 512MB DDR (1 512MB), 533MHz (PC4200) Expandable to 2GB Hard Drive - 160GB / Optical Drive - 16x Multi-format double layer DVD+-RW /Write max - 16x DVD?R, 6x DVD-RW, Media Reader - 9-in-1 Digital Media Manager Also includes 8x DVD+RW, 4x DVD+R DL, 40x CD-R, 24x CD-RW / Read max - 16x DVD-ROM, 40x CD-ROM