HP Pro Tower 288 G9 PCI Desktop PC Maintenance and Service Guide - Page 114
Specifications, Table 13-1
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13 Specifications This section provides specifications for your computer. Table 13-1 Specifications Metric U.S. Dimensions Height Width Depth Approximate weight 337 mm 155 mm 303 mm 4.7 kg 13.27 in 6.1 in 11.93 in 10.4 lb Temperature range Operating Nonoperating 10°C to 35°C -30°C to 60°C 50°F to 95°F -22°F to 140°F 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 might be limited by the type and number of options installed. Maximum altitude (unpressurized) Operating Nonoperating Relative humidity (noncondensing) 5,000 m 15.240 m 16,404 ft 50,000 ft Operating Nonoperating (38.7°C max wet bulb) 10% to 90% 5% to 95% Power supply Operating voltage range Rated voltage range1 Rated line frequency 90 V ac to 264 V ac 100 V ac to 240 V ac 50 Hz to 60 Hz Operating line frequency Power output and efficiency 47 Hz to 63 Hz 180 W, 90% efficient 260 W, 92% efficient 310 W, 90% efficient 500 W, 90% efficient 1 This system uses an active power factor-corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power factor-corrected power supply also has the added benefit of not requiring an input-voltage range select switch. Specifications 107