ThinkServer RD550; 3 Yr Onsite; No Operating System; 1U Rack Chassis; 1 x Intel Xeon E5-2650v3 (2.3GHz); 1 x 8GB DDR4-2133MHz (1Rx4) RDIMM; 12 x 2.5" HS SAS/SATA Drive Bays; Rear Cage: None; AnyRAID": RAID 720ix w/1GB DRAM;RAID Levels Supported: 0/1/5/6/10/50/60; No Drives Installed; No Optical Drive; Internal Boot: Not Installed; Risers Installed: 1 Riser Card; 1 x 750W Platinum Power Supply; ThinkServer System Manager TSM Premium Upgrade Available; AnyFabric #1 Slot: Available AnyFabric #2 Slot: Available; Onboard Video; No Cable Management Arm