PE2950 III Dual - Quad-Core Xe Intel Xeon X5660 2.80GHz 12M Cache Processor, Support 2 Processor, 64GB 1333MHz DDR3 RAM, 1TB SATA Hard Disk, DVD +/- Rewriter, Embedded Gigabit, Windows 7 Professional 64 Bit OS, HP 18.5" TFT LCD Wide Screen, Tower Casing