Power Supply Specifications; Power Consumption And Cooling - HP xw4550 Service And Technical Reference Manual

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
(Configuration and software dependent)
Power Supply fan
Energy Star compliant
FEMP Standby Power Compliant @ 115V (<2W in
S5 – Power Off)
Power Consumption in ES Mode – Suspend to
RAM (S3) (Instantly Available PC)

Power consumption and cooling

The following example workstation configuration and supporting tables list the power consumption and
heat dissipation for a typical configuration based on primary power consumptions:
● 1 x AMD® OpteronTM 3.0 GHz processor 1222 Series
● 4 x 1-GB, DDR, 667-MHz memory modules
●
1 x FX1700 graphics card
●
1 x 250-GB SATA hard drive
●
1 x optical drive
●
1 x diskette drive
Table 1-7 Example 1 energy consumption
On-Idle (ENERGY STAR®
Idle (S0))
ENERGY STAR® PTEC
(Total Energy
Consumption) Windows
ENWW
Item
115 VAC
LAN LAN
Enabled Disabled
50.9W
181.3W
Description
300-W custom power supply (Wide Ranging,
Active PFC)
90-264 VAC
100-240 VAC
50-60 Hz
47-63 Hz
5.0A @ 100-120 VAC 2.5A @ 200-240 VAC
Typical 431 Btu/hr..= (108 kg-cal/hr.)
Maximum 1331 Btu/hr. = (336 kg-cal/hr.)
80 mm x 25 mm, variable speed
Yes
Yes
< 3W
230 VAC
LAN
Enabled Disabled
52.7W
176.2W
100 VAC
LAN LAN
Enabled
51.0W
179.6W
Product specifications
LAN
Disabled
9