DisplayPort 1 HP Compaq Pro AX356AW, 3 GHz, AMD Athlon II X2, 2 GB, 250 GB, DVD Super Multi, Windows 7 Professional HP Compaq Pro AX356AW. Processor frequency: 3 GHz, Processor family: AMD Athlon II X2, Processor model: B24. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD Super Multi. Discrete graphics card model: AMD Radeon HD 4200. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Chassis type: Midi Tower. Product type: PC. Weight: 22.7 lbs (10.3 kg). Product color: Black