Intel® Xeon™ E3 - 1225v3 (3.2Ghz up to 3.6Ghz, 4 core, 5 GT/s Intel QPI, 8 MB Smart Cache), Intel® C226 Server chipset, 1 TB SATA / 7200 rpm Hard Drive, Drive Bays : 4x (3,5") non Hot Plug, 8GB ECC DDR3 1,600 MHz max 32 GB (4 U-DIMM slots), 8x Slim DVD-RW Drive, Intel Dual Port Gigabit Ethernet, Expansion slot 4 Total : PCI Express™ G3 x16, PCI Express™ G2 x16 & x1, one PCI slot, 290 watt Non Redundant Power Supply, Standard Keyboard & Optical Mouse, No Monitor, 3 Year Parts Warranty