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

Table 1-11 Power supply source voltages (continued)
Source voltage
+12 V-D
+12 VCPU
-12 V
5 VSB
Table 1-12 Max current per rail
Voltage rail
3.3 V
5.1 V
12 VCPU
12 V-B
12 V-D
V12N
5 VSB
WARNING!
Do not exceed 34.5 amps (414 W) of a 12-volt (CPU/B/D) power combination.
Do not exceed 475 watts of total continuous output power.

Power supply specifications

Table 1-13 Power supply specifications
Power supply
Operating voltage range
Rated voltage range
Rated line frequency
Operating line frequency range
Rated input current
Heat dissipation
(Configuration and software dependent)
Power Supply fan
Energy Star compliant
Blue Angel Compliant (<5 W in S5 – Power Off)
10 Chapter 1 Product overview
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
17.5 A
12 A
.3 A
2.25 A
Do not exceed 110 watts of a 5-volt and 3.3-volt power combination.
Item
Description
Description
475-watt 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
10 A @ 100-127 VAC 10 A @ 118 VAC
6 A @ 200-240 VAC
Typical 1013 BTU/hr. = (255 kg-cal/hr.)
Maximum 2027 BTU/hr. = (511 kg-cal/hr.)
92x25 mm variable speed
Yes
N/A
ENWW