HP ProLiant ML330 G6 E5606 1P 4GB-U B110i 460W PS Server. Processor clock speed: 2130 MHz, Processor upgrade: Upgradeable to 2 processors (4 or 8 cores), Processor model: Intel Xeon E5606 (4 core, 2.13 GHz, 12MB L3, 80W). Hard drive rotational speed: 7200 RPM, Number of hard drives supported: None ship standard. Internal memory: 4096 MB, Internal memory type: PC3-10600E (UDIMM), Maximum internal memory: 48 GB. Optical drive type: Half-Height SATA DVD-ROM. Power supply type: (1) 460 W non-hot plug, non-redundant