DisplayPort 1 HP Compaq Pro Compaq 6005 Pro MT, 2.8 GHz, AMD Athlon II X2, 2 GB, 500 GB, DVD Super Multi, Windows 7 Professional HP Compaq Pro Compaq 6005 Pro MT. Processor frequency: 2.8 GHz, Processor family: AMD Athlon II X2, Processor model: B22. Internal memory: 2 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: AMD Radeon HD 4200. Operating system installed: Windows 7 Professional. Power supply: 320 W. Chassis type: Mini Tower. Product type: PC. Product colour: Black