HP rp5700 Point of Sale System. Processor model: Intel Celeron 440; Intel Core2 Duo Processor E6400; Intel Pentium Dual-Core Processor E2160, Motherboard chipset: Intel Q963 Express, Processor clock speed: 2130 MHz. Maximum internal memory: 4 GB. Optical drive type: SATA DVD; SATA DVD+/-RW LightScribe (Double Layer/Dual Format); SATA SuperMulti LightScribe. Weight: 8.79 kg. Operating relative humidity range: 20 - 85 %, Operating temperature range (T-T): 10 - 40 °C, Storage relative humidity range: 5 - 90 %