HP rp point of sale system Celeron 2.0 GHz 512M/80G DVD-ROM WXP Pro, Intel® Celeron®, 2 GHz, 400 MHz, Intel® 845GV, 0.5 GB, DDR PC2700 HP rp point of sale system Celeron 2.0 GHz 512M/80G DVD-ROM WXP Pro. Processor family: Intel® Celeron®, Processor frequency: 2 GHz, Processor front side bus: 400 MHz. Internal memory: 0.5 GB, Internal memory type: DDR PC2700, Maximum internal memory: 2 GB. HDD capacity: 80 GB, HDD speed: 7200 RPM. Audio system: Sound Digital AC97 integrated audio with internal speaker chipset integrated, Optical drive type: DVD-ROM. Pre-installed software: Windows XP Professional, Bundled software: No other software