HP ProLiant ML150 G5 Intel® Xeon® E5405 Quad Core Processor 2 GHz 12MB 1GB 1P 160GB NHP SATA Tower Server. Processor clock speed: 2000 MHz, Processor family: Intel Xeon E5405 Quad Core Processor 2 GHz, Processor upgrade: Upgradeable to dual processor. Internal memory type: DDR2-SDRAM, Maximum internal memory: 16 GB, Memory slots: 6 DIMM slots. Maximum graphic adapter memory: 8 MB. Networking features: Embedded HP NC105i PCI Express Gigabit Server Adapter 10/100/1000 WOL (Wake on LAN). Power requirements: load 11.6A: 100 to 127 VAC; load: 5.5A at 200 to 240 VAC, 47 to 66 Hz