Hard Drive HDD HP Compaq dc5100, 3 GHz, Intel® Pentium® 4, 0.5 GB, 80 GB, DVD-ROM, Windows XP Home Edition HP Compaq dc5100. Processor frequency: 3 GHz, Processor family: Intel® Pentium® 4, Processor model: 630. Internal memory: 0.5 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 80 GB, Storage media: HDD, Optical drive type: DVD-ROM. Operating system installed: Windows XP Home Edition. Chassis type: SFF. Product type: PC. Weight: 9 kg