Lenovo ThinkServer TS440 70AQ000XUX 5U Tower Server - 1 x Intel Xeon E3-1225 v3 Quad-core (4 Core) 3.20 GHz 1x Intel Xeon E3-1225 v3 Quad-core 3.20 GHz (One Processor Support) 1 x 4GB DDR3 1600mhz uDIMM included (Four Total Memory Slots, 32GB Maximum Memory Supported) Serial ATA/600 RAID Supported Controller (0,1,10 Levels) Up to 4 x 3.5" fixed, Up to 8 x 3.5" hot swap, Up to 8 x 2.5" hot swap 1 year onsite warranty standard