HP Compaq dx2450 Base Model Microtower PC. Motherboard chipset: NVIDIA nForce 430. Memory slots: 4 DIMM. Chassis type: Microtower. Dimensions (WxDxH): 165.1 x 373.1 x 365.3 mm, Weight: 10.2 kg. Operating relative humidity range: 10 - 90 %, Operating temperature range (T-T): 10 - 35 °C, Operating temperature range (T-T): 50 - 95 °F