Rack Server Model: IBM System x3650 M4 Rack Server Processor(s): 2 x Intel Xeon 6 Core E5-2640 2.50 GHz 15MB Intel Smart Cache 95W TDP Memory: 64GB DDR3 RAM [Max Supported Memory: LRDIMM - Up to 768GB DDR3 and up to 1866 MHz] Hard Drive(s): 5 x 1TB SSD SATA 2.5 Inch Hard Drive Drive Bays: 8 x Internal 2.5 Inch (SFF) Bays RAID Controller: ServeRAID M5110 (Supported RAID Levels 0, 1, 10) Network Controller: Intel 1350-AM4 Quad Port 1G Base-T Power Supply(ies): Single 750W or 1100W Hot-Swap PSU Depending on Configuration Management: IBM IMM2 Expansion Options: 3 x PCIe 3.0 x8 Optical Drive: Included Rail Kit: Included Dimensions: 3.4 x 17.5 x 29.4 (Inches) 65 Lbs Max Operating System: None Warranty: 5 Year ShopEzIT Warranty