Fujitsu-Siemens PRIMERGY RX200 S5 2 x Quad-Core X5570 2,93Ghz 60GB Ram 1HE Server
In other words: more for less with regard to data center energy-efficiency. Energy consumption and cooling in data centers is a "burning" issue. Rackmount Rails. 8 x 2.5" drive backplane so 6 spare bays for expandibility.