Power Supply Specifications - HP Xw4400 - Workstation - 2 GB RAM Reference Manual

Source voltage
+3.3 V
+5 V
+12 V-A
+12 V-B
+12 VCPU
-12 V
5 VSB
Table 1-5 Max current per rail
Voltage rail
3.3 V
5 V
12 VCPU
12 V-A
12 V-B
V12N
5 VSB
WARNING!
Do not exceed 31.5 amps (378 W) of a 12-volt (CPU/A/B) power combination.
Do not exceed 460 watts of total continuous output power.

Power supply specifications

Table 1-6 Power supply specifications
Power supply
Operating voltage range
Rated voltage range
Rated line frequency
Operating line frequency range
Rated input current
Heat dissipation
6 Chapter 1 Product overview
PCI, PCI Express, audio, CK-410, ICH7R, super I/O, BIOS ROM, and on-board
logic
Storage (disk, optical, diskette), PCI, PCI Express, ICH7R, audio, keyboard/
mouse
PCI, PCI Express, and system fans
Storage (disk, optical, diskette), PCI Express x16 auxiliary connector
Input to on-board regulator that supplies power for the CPU
PCI
Sleep circuitry
Maximum continuous current
15 A
21 A
15 A
15.5 A
11 A
.3 A
2.0 A
Do not exceed 110 watts of a 5-volt and 3.3-volt power combination.
Item
Description
Description
460-W custom power supply (Wide Ranging,
Active PFC)
90-269 VAC
100-240 VAC 118 VAC
50-60 Hz 400 Hz
47-66 Hz 393-407 Hz
7.4 A @ 100-240 VAC 7.4 A @ 118 VAC
Typical 1121 BTU/hr..= (283 kg-cal/hr.)
ENWW