HP ProLiant DL120 G7 E3-1220 4GB-U 250GB LFF Cold Plug SATA B110i RAID 400W Svr. Processor clock speed: 3100 MHz, Processor model: Intel Xeon E3-1220 (4 core, 3.1 GHz, 8MB, 80W, 1333/t), L2 cache: 8 MB. Number of hard drives supported: LFF SATA; Hot Plug. Internal memory: 4096 MB, Internal memory type: PC3-10600E UDIMMs DDR3, Maximum internal memory: 32 GB. Optical drive type: None ship standard. Power supply type: (1) 400 W Auto-sensing, CE Mark Compliant