Intel Xeon E5-2407 2.20GHz, 10M Cache, 6.4GT/ s , No Turbo, 4C, 80W | Chassis with up to 8 x 3.5" Hot Plug Hard Drives | LCD display for T420 | Bezel | 4GB Memory ( 1x4GB) , 1333MHz Dual Rank LV RDIMMs | 2 x 500GB 7.2K RPM SATA 3.5 " Hot Plug Hard Drive | PERC H310 Integrated RAID Controller Full Height Support Raid 0, 1, 10, 5, 50 | 16x SATA DVD + / - RW | Dual Hot-plug Redundant Power Supply ( 1+ 1) 495W | Electronic System Documentation and OpenManage DVD Kit Dell PowerEdge T420 | Baseboard Management Contoller ( 12G) | 3 Yrs Next Business Day Onsite Service