HP BladeSystem p-Class rack-centralized (3U) power solutions

Table 4. Maximum configurations for ProLiant server blades using scalable bus bars, three-phase power of 208V
input, N+N redundant power supplies, and redundant AC.
Server Max
processors
per blade
Max blades
per 6U
enclosure
Max 6U
blade
enclosures
per 42U
rack
Max
blades per
42U rack
Power
supplies
required
3U power
enclosures
required
BL20p G3 2 8 5 33-40 * 12 2
BL25p 2 8 5 40 12 2
BL30p 2 16 3 41-48 * 12 2
BL35p 2 16 4 58-59 * 12 2
BL40p 4 2 5 10 12 2
BL45p 4 4 5 20 12 2
BL60p 2 8 5 40 12 2
*Depends on processor type. See HP BladeSystem p-Class Sizing Utility for specific configuration options
Table 5. Maximum configurations for ProLiant server blades using scalable bus bars, three-phase power of 220V
input or higher, N+N redundant power supplies, and redundant AC.
Server Max
processors
per blade
Max blades
per 6U
enclosure
Max 6U
blade
enclosures
per 42U
rack
Max
blades per
42U rack
Power
supplies
required
3U power
enclosures
required
BL20p G3 2 8 5 40 12 2
BL25p 2 8 5 40 12 2
BL30p 2 16 4 50-57 * 12 2
BL35p 2 16 5 73 12 2
BL40p 4 2 5 10 12 2
BL45p 4 4 5 20 12 2
BL60p 2 8 5 40 12 2
*Depends on processor type. See HP BladeSystem p-Class Sizing Utility for specific configuration options
Recommendations
The HP p-Class server blade enclosure with enhanced backplane components is required for
deploying BL20p G3 (selected models), BL25p dual-core models, BL30p, BL35p, BL40p, BL45p,
BL60p, and all future HP server blades. Refer to the HP BladeSystem enclosure
compatibility matrix for
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