IBM X3650 M3 7945-AC1 2U 2x XEON HEX-CORE X5650 2.66GHz 4x 300GB 10K SAS 48GB IBM X3650 M3 7945-AC1 2U 12-Core 2x 6-Core 2.66GHz X5650 48GB RAM / 4x 300GB 10K 2.5" SAS Hard Drives IBM ServerRAID MR10i / 2x Redundant 675W PSU No Empty Hard Drive Trays / NO Rails / No Operating System