HP DC-7800 Desktop Intel Core 2 Duo E6850 Processor (3.00-GHz, 4 MB L2 cache, 1333-MHz FSB) 2.5 GB of DDR2 RAM Memory 320 GB SATA WD Caviar Blue Hard Drive Dedicated Graphics and Video - nVidia 7200 Genuine Windows XP Media Center Edition 32-Bit