Power Supply And Cooling - HP Xw9400 - Workstation - 16 GB RAM Reference Manual

Power supply and cooling

This section describes power supply specifications.
Table 1-5 Power supply source voltages
Source voltage
+3.3V
+5V
+12 V-CPU0
+12 V-CPU1
+12 V-M
+12 V-B
+12 V-D
+12 V/G1
+12 V-G2
+12 V-R
+12 V-N
+5 V-SB
Table 1-6 Maximum current per rail
Voltage rail
+3.3V
+5V
+12 V-CPU0
+12 V-CPU1
+12 V-M
+12 V-B
+12 V-D
+12 V/G1
+12 V-G2
+12 V-R
+12 V-N
+5 V-SB
6 Chapter 1 Product overview
Description
PCI, PCIe, onboard logic, SAS controller, IEEE 1394, and
chipset
Storage (disk, optical, diskette), PCI, audio, USB, input to
onboard regulator, and onboard logic
Input to onboard regulator that supplies power to CPU0 and
CPU0 fan
Input to onboard regulator that supplies power to CPU1,
CPU1 fan, and chipset regulators
Input to onboard regulator that supplies power to memory
PCI, PCIe, and system fans
Storage (hard drive, optical drive, diskette drive)
PCI Express auxiliary connector
Second PCI Express auxiliary connector
Not used
PCI and serial ports
Sleep circuitry
1050W maximum
continuous current
22.0A
18.0A
18.0A
18.0A
18.0A
18.0A
18.0A
18.0A
18.0A
18.0A
0.30A
9.0A
ENWW