Hp Bladesystem Power Sizer - HP BladeSystem c3000 Technology Brief

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Figure 7. HP BladeSystem c3000 Enclosure supports up to six power supplies

The new, high efficiency HP c3000 power supplies provide greater than 90 percent efficiency in AC

to DC conversion. These power supplies use the ProLiant universal form factor so they can also be

used in other ProLiant servers. Each AC power supply ships with a standard power distribution unit

(PDU) power cord (C13 to C14 ). By purchasing proper wall outlet cords, users can connect the

power supplies to standard wall outlets.

NOTE

Wall outlet power cords should only be used with low-line

(100 to 120 VAC) power sources. If high-line (200 to 240

VAC) power outlets are required, safety regulations require the

use of a PDU or a UPS between the c3000 Enclosure power

supplies and wall outlets.

The enclosure can contain up to six 1200-watt self-cooled power supplies. A pair of PDUs is required

for AC line redundancy. A variety of PDUs can be chosen, as indicated in the c3000 QuickSpecs

available at this URL:

. The

http://h18004.www1.hp.com/products/quickspecs/12790_div/12790_div.html

HP BladeSystem Power Sizer should be used to size the PDU appropriately for the c3000 storage and

server configuration.

HP expects that in the markets targeted for the c3000 Enclosure (midmarket and remote sites), the

c3000 will be connected to an uninterruptible power supply (UPS) for power backup instead of to a

PDU. Use the HP BladeSystem Power Sizer to determine the UPS capacity requirement.

NOTE

The rack-mountable HP R5500 UPS (5000VA/4500 watts)

supports four power supplies in the power supply redundant

(N+1) power mode.

HP BladeSystem Power Sizer

The HP BladeSystem Power Sizer is a tool that assists facilities teams and IT staff in sizing their power

and cooling infrastructure to meet the needs of an HP BladeSystem solution. The BladeSystem Power

Sizer is based on actual component-level power measurements of a system stressed to maximum

capability. The sizer allows a customer to select the type and number of components within each

server blade and enclosure and to see the effect of changes on power consumption and heat

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