HP Compaq 8000 Elite Ultra-slim Desktop PC (ENERGY STAR), Compaq Elite. Processor clock speed: 3.16 GHz, Processor model: E8500, L2 cache: 6 MB. Internal memory: 4 GB, Memory slots: 2x SO-DIMM, Internal memory type: DDR3-SDRAM. Total storage capacity: 250 GB, Hard drive capacity: 250 GB, Hard drive rotational speed: 7200 RPM. Audio system: Integrated HD audio with Realtek ALC261 codec, internal PC speaker. Optical drive type: DVD Super Multi