Power Consumption And Cooling; System Fans And Airflow - HP xw8400 Service And Technical Reference Manual

Table 1-7 Power supply specifications (continued)
FEMP standby power compliant (<2 W in S5 - Power Off)
BIST LED
Surge tolerant full ranging power supply

Power consumption and cooling

The following table shows the primary power consumption for an example configuration:
● Two 3.73-GHz Xeon processors
●
Eight 1-GB, 667-MHz memory modules
●
Two 160-GB SATA hard drives
●
One DVD or CD-RW
drive
●
One PCI Express graphics card (nVidia FX3500)
●
One diskette drive
●
One monitor, powered separately
Table 1-8 Power consumption and cooling
Input power consumption*
Typical operating mode
Windows XP idle
Power off (S5)
* Values are approximate.
NOTE
power consumption falls below 10 W. To reach zero power consumption, unplug the workstation
from the power outlet or use a power strip with a switch.
For additional information on power-saving features, see your operating system documentation.

System fans and airflow

The workstation includes one rear system fan, one memory fan, one processor (CPU) heatsink fan for
each processor, and one power supply fan, plus optional front system fans.
8 Chapter 1 Product overview
When you power down your workstation with the power button on the front panel, the
Yes (Wake-On-LAN (WOL) disabled)
Yes
Withstands power surges up to 2,000 V
@ 115 VAC/60 Hz
413 W = 1410 BTU/hr.
293 W = 1,000 BTU/hr.
2.0 W = 6.8 BTU/hr.
ENWW