Fast Dell 745 USFF Desktop Computer, Ultra Powerful System in a Ultra Small Design Ultra powerful 745USFF series PC featuring Dell dependability,Crystal Clear DVI (Digital) Video, 745 USFF uses an External Power Source. Extra Large 160GB 7200 RPM SATA Hard Drive for Ultra Large Storage, CDRW/DVD Drive, 2GB DDR2 Super Fast High Performance Interlaced Ram Memory, Extremely Powerful System, Desktop Space Saving Great system for Office or Home! System will last for Years at a Windows XP Pro SP3 Pre-Loaded! XP COA Included This Power source is Extremely Quiet without the noisy Fan Fraction of the price of New, Outstanding value, Original retail price over $900