IBM System x3250 M4 20Physical and electrical specificationsDimensions:Height: 43 mm (1.7 in)Width: 439 mm (17.3 in)Depth: 576 mm (22.7 in)Weight:Minimum configuration: 9.3 kg (20.4 lb)Maximum configuration: 10.7 kg (23.5 lb)Supported environment::Air temperature:Server powered on10.0 to 35.0 °C (50 to 95 degrees F); altitude: 0 to 914.4 m (3,000 ft)10.0 to 32.0 °C (50 to 89.6 degrees F); altitude: 914.4 m (3,000 ft) to 2,133.6 m (7,000 ft)Server powered off10.0 to 43.0 °C (50 to 109.4 degrees F); maximum altitude: 2,133.6 m (7,000 ft)Shipping-40 to 60 °C (-40 to 140 degrees F)Relative humidity: 8 to 80%Electrical300-watt power supply100 to 127 (nominal) V ac; 50 to 60 Hz; 6.0 A (maximum)200 to 240 (nominal) V ac; 50 to 60 Hz; 3.0 A (maximum)Redundant 460-watt power supplies100 to 127 (nominal) V ac; 50 to 60 Hz; 5.3 A (maximum)200 to 240 (nominal) V ac; 50 to 60 Hz; 2.6 A (maximum)Input kilovolt-amperes (kVA) (approximately)Minimum configuration: 0.085 kVAMaximum configuration: 0.326 kVABtu outputShip configuration: 267 Btu/hr (78 watts)Full configuration: 1058 Btu/hr (310 watts)Acoustical noise emission level: Sound power levels6.5 bels (idling)6.5 bels (operating)Regulatory complianceThe server conforms to the following international standards:FCC - Verified to comply with Part 15 of the FCC Rules, Class ACanada ICES-003, issue 4, Class AUL/IEC 60950-1CSA C22.2 No. 69950-1-03NOM-019Argentina IEC60950-1Japan VCCI, Class A