Dell Optiplex GX520 Desktop Computer, Featuring Intel's Powerful & Efficient 2.8GHz P4 Hyper Thread CPU Processor, 1GB DDR2 Dual Interlaced High Performance Memory, Extremely Fast 80GB 7200 RPM SATA Hard Drive, DVD/CDRW, Play and Record CD's, Watch DVD Movies, Providing Power for Today or Future Needs, Wireless Capable (Adapter Sold Separately), XP Professional SP3 with Restore Disk, Computer Professionally Refurbished by a Microsoft Authorized Refurbisher Extremely powerful GX520 SFF Desktop series PC featuring Dell dependability Super Fast and Powerful Intel P4 Hyper Thread 2.8GHz CPU, Multifuntion between many Programs simultaneously without Problem 1GB DDR2 Interlaced RAM Memory, Large 80GB 7200 RPM Hard Drive CDRW/DVD Write CD's (burn photos and music onto CD) and watch movies. VGA Video Onboard, Super Fast and Extremely Quiet Operation!