HP dc7900, 1.86 GHz, Intel® Core™2 Duo, 2 GB, 160 GB, DVD Super Multi, Windows XP Professional HP dc7900. Processor frequency: 1.86 GHz, Processor family: Intel® Core™2 Duo, Processor model: E6300. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 160 GB, Optical drive type: DVD Super Multi. Discrete graphics card model: Intel® GMA 4500M. Operating system installed: Windows XP Professional. Chassis type: SFF. Product type: PC. Weight: 18.7 lbs (8.5 kg). Product color: Black