HP dc7800, 2.2 GHz, Intel® Core™2 Duo, 2 GB, 80 GB, DVD-ROM, Windows XP Professional HP dc7800. Processor frequency: 2.2 GHz, Processor family: Intel® Core™2 Duo, Processor model: E4500. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 80 GB, Optical drive type: DVD-ROM. Discrete graphics card model: Intel® GMA X3100. Operating system installed: Windows XP Professional. Power supply: 240 W. Chassis type: SFF. Product type: PC. Weight: 8.5 kg