Acer S290 MiniTower Desktop (Intel Celeron Processor 420 (1.6GHz), 512MB RAM, 80GB Hard Drive, XP Professional) (Discontinued by Manufacturer) Product Description Acer AcerPower S290-UC4201P - C 420 1.6 GHz Type Personal computerForm Factor Mi Dimensions (WxDxH) 7.2 in x 17.9 in x 14.6 in Localization United States Processor 1 x Intel Celeron 420 / 1.6 GHz Cache Memory 512 KB L2 cache Cache Per Processor 512 KB RAM 512 MB (installed) / 4 GB (max) - DDR II SDRAM Hard Drive 1 x 80 GB - standard Optical Storage DVDRW - NOTE: THIS PRODUCT CANNOT BE SHIPPED TO MASSACHUSETTS OR DISTRICT OF COLUMBIA (WASHINGTON, D.C.)