HP Compaq dx2200 P4 630 HT 512M/80G DVD-CDRW WXP Pro Microtower PC, 3 GHz, Intel® Pentium® 4, 0.5 GB, 80 GB, DVD-ROM, Windows XP Professional HP Compaq dx2200 P4 630 HT 512M/80G DVD-CDRW WXP Pro Microtower PC. Processor frequency: 3 GHz, Processor family: Intel® Pentium® 4. Internal memory: 0.5 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 80 GB, Optical drive type: DVD-ROM. Discrete graphics card model: AMD Radeon X300. Operating system installed: Windows XP Professional. Chassis type: Micro Tower. Product type: PC. Weight: 21.2 lbs (9.6 kg)