Included: Dell R710 Server 6 x 3.5" Hot Plug, 2x E5506 Quad Core 2.13Ghz Processors, 48GB of RAM, 3x Dell 2TB 7.2K 3Gbps 3.5" SAS Drives, DVD Optical Drive, Perc 6/I Raid Controller, 2x 870W Redundant Power Supplies, and Power Cable. Not Included: Rails, Bezel, Operating System, and Mouse and Keyboard.