DisplayPort 1 HP Compaq Pro 6000 Pro SFF, 3 GHz, Intel® Core™2 Duo, 3 GB, 500 GB, DVD Super Multi, Windows 7 Professional HP Compaq Pro 6000 Pro SFF. Processor frequency: 3 GHz, Processor family: Intel® Core™2 Duo, Processor model: E8400. Internal memory: 3 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 500 GB, Card reader integrated, Optical drive type: DVD Super Multi. Discrete graphics card model: Intel® GMA 4500. Operating system installed: Windows 7 Professional. Power supply: 240 W. Chassis type: SFF. Product type: PC. Product colour: Black