DisplayPort 1 HP Compaq Pro Compaq 6005 Pro Base Model, 3.2 GHz, AMD Athlon II X2, B26, 2 GB, 250 GB, Windows 7 Ultimate HP Compaq Pro Compaq 6005 Pro Base Model. Processor frequency: 3.2 GHz, Processor family: AMD Athlon II X2, Processor model: B26. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Total storage capacity: 250 GB. Operating system installed: Windows 7 Ultimate, Operating system architecture: 32-bit. Product type: PC. Product color: Black