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Infrastructure configurations
When using the HP BladeSystem p-Class 1U power enclosure, follow the general guidelines in
Table 4 to install the proper amount of power supplies.
Table 4. General guidelines for power supply installation in the 1U power enclosure
Infrastructure Required power supplies
installed in 1U power enclosure
Server blade enclosure populated with ProLiant BL20p, BL25p, or BL35p server blades 4
Server blade enclosure populated with ProLiant BL35p dual-core server blades 6
Server blade enclosure populated with ProLiant BL30p server blades 6
More than 3,000 W required per enclosure 4
More than 4,000 W required per enclosure 6
To determine power requirements for an enclosure, use the HP Power Calculator available at
www.hp.com/go/bladesystem/powercalculator. The HP BladeSystem p-Class sizing utility is a
Microsoft® Excel workbook with a power calculator; it can be used to help determine the correct
modular components for specific IT environments.
Figure 7. The HP BladeSystem p-Class Sizing utility
