Specifications 113
Power supply specifications
Depending on the installed options and/or the regional location where the server was purchased, the server
is configured with one of the following power supplies:
• HP 550 W Power Supply (PN 730941-B21)
• HP 800-W/900-W Gold AC Power Input Module (PN 744689-B21). This module is supported when
the two-bay HP RPS backplane option (PN 745813-B21) is installed.
IMPORTANT: The HP 800-W/900-W Gold AC Power Input Module (PN 744689-B21) wattage
rating changes depending on whether one or two power input modules is installed in the server:
- Single power input module installed (non-redundant) = 900-W
- Two power input modules installed (redundant) = 800-W
For more information about the power supply features, specifications, and compatibility, see the HP website
(http://www.hp.com/go/proliant/powersupply).
CAUTION: Check the system and power supply input ratings before powering up the server.
Hot-plug power supply calculations
For hot-plug power supply specifications and calculators to determine electrical and heat loading for the
server, see the HP Power Advisor website (http://www.hp.com/go/hppoweradvisor).
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