HP Compaq dc5100 P4 630 HT 2x256M/80G DVD-ROM LAN WXP Pro SP2 Small Form Factor PC, 3 GHz, 0.5 GB, Windows XP Professional HP Compaq dc5100 P4 630 HT 2x256M/80G DVD-ROM LAN WXP Pro SP2 Small Form Factor PC. Processor frequency: 3 GHz. Internal memory: 0.5 GB. Operating system installed: Windows XP Professional. Product type: PC. Weight: 9 kg