HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 15
Product specifications, Power supply, Power supply description
UPC - 883585505951
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Product specifications The following table lists the physical dimensions for the HP xw4550 Workstation. Table 1-4 Physical characteristics Weight (typical configuration) 15.88 kg (35 lb) Tower dimensions 45 cm (17.7 in.) high 16.8 cm (6.6 in.) wide 45.6 cm (17.9 in.) deep Power supply The power supply for the HP xw4550 Workstation is a 300-watt, 80Plus energy efficient power supply compatible with Energy Star requirements. This section describes the power supply specifications. Power supply description This section describes the 80Plus power supply for the HP xw4550 Workstation. Source voltage +3.33V +5.08V +12V +12 VCPU -12V 5.08 aux Description PCI, PCI Express, audio, SB600, RS690, super I/O, BIOS ROM, and on-board logic Storage (disk, optical, diskette), PCI, PCI Express, RS690, audio, keyboard/ mouse, input to on-board regulator, super I/O PCI, PCI Express, system fans, storage (disk, optical, diskette) Input to on-board regulator that supplies power for the processor PCI, serial port Sleep circuitry Table 1-5 Max current per rail Voltage rail Maximum continuous current 3.33V 16A 5.08V 19A 12 VCPU 11.5A +12V 11A -12V 0.15A 5.08V aux 2.0A WARNING! Do not exceed 300 watts of total continuous output power. Power supply specifications ENWW Product specifications 7