Lenovo ThinkServer RD450 70DC001FUX 2U Rack Server - 1 x Intel Xeon E5-2630 v3 Octa-core (8 Core) 2.40 GHz 1 x Intel Xeon E5-2630 v3 Octa-core 2.40 GHz (Two Processor Support) 1 x 8GB DDR4 2133mhz uDIMM included (16 Total Memory Slots) Serial ATA/600 RAID Supported Controller 110i (OB) (0,1,10 Levels) 8 x 3.5" Disk Bays, 9 Total Expansion Bays, 2 Total Expansion Slots 1 x 550W Power Supply