HP ProLiant DL180 G6 L5520 2.26GHz Quad Core 2x2GB 4 LFF Rack Server. Processor clock speed: 2260 MHz, Processor model: Intel Xeon L5520 (4 core, 2.26 GHz, 8MB L3, 60W), L2 cache: 8 MB. Number of hard drives supported: 1x 160GB Hot Plug SATA; Included;1x 160GB Hot Plug SATA. Internal memory: 4096 MB, Maximum internal memory: 192 GB, Memory slots: 12 DIMM slots. Optical drive type: None ship standard. Power supply type: (1) 460 Watt common slot, high efficiency power supply