Dell 745 Optiplex Tower Computer, Featuring Intel's Powerful & Efficient 3.4GHz Dual Core CPU Processor, Amazing 800MHz Bus Speed & 4MB Cache,160GB Ultra Fast 7200 RPM SATA hard drive, CDRW/DVDRW SATA Ultra Speed Drive, Windows7 and Vista Capable, 3GB DDR2 Dual Interlaced High Performance Memory, Play and Record CD's, Watch DVD Movies, Providing Power for Today or Future Needs, Wireless Capable (Adapter Sold Separately), Xp Professional SP3

Later Model Dell 745 Optiplex with the Powerful Intel 3.4GHz Dual Core running at 3.4GHz x 2 Cores! Powerful PC capable of running Windows Vista and Windows 7 Easily. The OptiPlex platform is designed for business and individuals that are focused on affordable pricing coupled with top-level performance. This Dell 745 is a later model series running the Intel 3.4GHz Dual Core x2 CPU, 3 GB DDR-2 High Performance Dual Interlaced DDR2 Memory (Upgradable to 4 GB), 160GB Ultra Fast 7200 RPM SATA hard drive, CDRW/DVDRW SATA Ultra Speed Drive, Integrated LAN and Sound. The Dell GX745 provides the perfect blend of relevant technology that users demand, all at a price that won't bust the budget. This model also comes with Windows XP Professional installed.