HP Xw8400 HP xw8400 Service and Technical Reference Guide - Page 17
Power supply specifications, Do not exceed 64 A 768 W of a 12-V CPU0/CPU1/M/B/D/G power combination.
UPC - 883585271085
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Table 1-6 Current specification (continued) Current Continuous Description 12 VCPU1 13.7 A Input to onboard regulator that supplies power for CPU1 12 V-M 14 A Input to onboard regulators that supply 1.5 V and 1.8V for memory 12 V-B 14.5 A Used with PCI fans, input to onboard regulators that supply 1.5 V and 1.2 V 12 V-D 10.0 A Used with storage (disk, optical, floppy) 12 V-G 12.5 A Used with PCI Express x16 auxiliary connector V12N 0.3 A Used by PCI 5 VSB 2.5 A Used for sleep circuitry WARNING! Do not exceed 135 W of a 5-V and 3.3-V power combination. Do not exceed 64 A (768 W) of a 12-V (CPU0/CPU1/M/B/D/G) power combination. Do not exceed 800 W of total continuous output power. Power supply specifications The integrated, surge-tolerant power supply is rated to withstand a power surge of up to 2,000 V (lineto-PE or neutral-to-PE) and 1,000 V (line-to-line) without any data loss or system downtime. The following specifications describe the power supply: Table 1-7 Power supply specifications Parameter Specification Full ranging input (No line select switch) Yes Active power factor correction (APFC) (Input current is nearly Yes 1/2 non-APFC power supply) Passive power No Operating voltage range 90-269 VAC Rated voltage range 100-240 VAC/118 VAC Rated line frequency 50-60 Hz/400 Hz Operating line frequency range 47-66 Hz/393-407 Hz Rated input current 13.2 A@100-120 VAC 6.6 A@200-240 VAC 11.2 A@118 VAC Maximum rated power 800 W Heat dissipation Typical: 1,710 BTU/hr. (430 kg-cal/hr) Maximum: 3,793 BTU/hr. (956 kg-cal/hr) Power supply fan 92 mm x 32 mm variable speed ENWW Product specifications 7