HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 15

Product specifications, Power supply, Power supply description

Page 15 highlights

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

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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
Description
+3.33V
PCI, PCI Express, audio, SB600, RS690, super I/O, BIOS ROM, and on-board
logic
+5.08V
Storage (disk, optical, diskette), PCI, PCI Express, RS690, audio, keyboard/
mouse, input to on-board regulator, super I/O
+12V
PCI, PCI Express, system fans, storage (disk, optical, diskette)
+12 VCPU
Input to on-board regulator that supplies power for the processor
-12V
PCI, serial port
5.08 aux
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