DisplayPort 1 HP Compaq Pro 6000 Pro, 3 GHz, 2 GB, DDR3-SDRAM, 500 GB, DVD-RW, Windows 7 Professional HP Compaq Pro 6000 Pro. Processor frequency: 3 GHz. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 500 GB, Optical drive type: DVD-RW. Discrete graphics card model: Intel® GMA 4500. Operating system installed: Windows 7 Professional. Power supply: 240 W. Chassis type: SFF. Product type: PC. Weight: 7.26 kg. Product colour: Black