ThinkServer RD650 3 Yr Onsite No Operating System 2U Rack Chassis 1 x Intel Xeon E5-2620v3 (2.4GHz) 1 x 8GB DDR4-2133MHz (1Rx4) RDIMM 8 x 2.5" HS SAS/SATA 2 x 2.5" HS SATA (Optional) AnyRaid": RAID 510i 0/1/10 No Drives Included DVD RW Internal Boot: Not Installed Risers Installed: 1 Riser Card 1 x 1100W Platinum Power Supply ThinkServer System Manager TSM Premium Upgrade Available AnyFabric #1: Available No Cable Management Arm