HP Dc7900 Hardware Reference Guide - dc7900 Series Convertible Minitower - Page 54

A Specifications Table A-1 Specifications Desktop Dimensions Height 7.0 in 17.8 cm Width 17.63 in 44.8 cm Depth 17.8 in 45.2 cm Tower Dimensions Height 17.63 in 44.8 cm Width 7.0 in 17.8 cm Depth 17.8 in 45.2 cm Approximate Weight 26.4 lb 12.0 kg Weight Supported (maximum distributed load in desktop position) 77 lb 35 kg Temperature Range Operating 50° to 95°F 10° to 35°C Nonoperating -22° to 140°F -30° to 60°C NOTE: Operating temperature is derated 1.0° C per 300 m (1000 ft) to 3000 m (10,000 ft) above sea level; no direct sustained sunlight. Maximum rate of change is 10° C/Hr. The upper limit may be limited by the type and number of options installed. Relative Humidity (noncondensing) Operating 10-90% 10-90% Nonoperating (38.7°C max wet bulb) 5-95% 5-95% Maximum Altitude (unpressurized) Operating 10,000 ft 3048 m Nonoperating 30,000 ft 9144 m Heat Dissipation Maximum (standard PS) 1,916 BTU/hr 483 kg-cal/hr Typical (idle; standard PS) 307 BTU/hr 77 kg-cal/hr Maximum (85% Efficient PS) 1519 BTU/hr 383 kg-cal/hr Typical (idle; 85% Efficient PS) 239 BTU/hr 60 kg-cal/hr 48 Appendix A Specifications ENWW