HP 1200W Common Slot Platinum Hot Plug Pwr Supply Kit 578322-B21#0D1 Dépliant

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Significant increases in flexibility
The availability of common-slot power supplies in multi-
ple capacities allows you to match the power supply 
capacity (select the right-size supply) to the server 
load, so you can reduce wasted power and free 
trapped power capacity. Figure 1 shows the efficiency 
of each power supply across the load range.  The 
power supply efficiency is independently tested by  
80 PLUS and publicly posted on 
In addition, you can use one form factor power supply 
across most of the ProLiant G6 portfolio, and even 
some Integrity, Storage Works, and ProCurve prod-
ucts. The design similarities help to decrease an IT 
department’s maintenance and logistics concerns 
because it’s no longer necessary to keep an extensive 
inventory of spares and storage space to satisfy con-
tingency plans for different models. Smaller capacity 
power supplies also cost less than larger capacity 
power supplies. For an expenditure involving hun-
dreds of servers, the savings from ordering only  
the capacities actually needed can be significant.
HP Power Advisor
HP makes it easy to choose which power supply is 
right for your particular server configuration. As Figure 
2 illustrates, to get optimal efficiency, it is important  
to closely match your power supply to the power your 
server is actually using. Using the HP Power Advisor, 
you can select your configuration and get a power 
number associated with that configuration, which 
helps you select the correct power supply. 
For more information, visit  
Figure 1. Common-slot power supply operating efficiencies (measured by the independent party  
for the 80 PLUS program)
Power Supply
Part Number
80 Plus 
Certification
Percent of efficiency
20% Load
50% Load
100% Load
1200 W
578322-B21
Platinum
92.50%
94.30%
93.20%
1200 W
500172-B21
Silver
86.84%
91.75%
91.19%
750 W
512327-B21
Gold
91.33%
94.58%
92.57%
460 W
503296-B21
Gold
90.70%
93.20%
92.81%
Note: All supplies tested with 230 VAC input.
When technology works, business works.
HP Care Pack services for HP Integrity, BladeSystem, 
ProLiant servers, and StorageWorks provide support 
for all HP-branded hardware options qualified for 
inclusion in your server at the time of purchase or 
afterwards at no additional cost. 
HP Care Pack services help increase uptime and 
productivity with rapid-response support on a 24x7 
or 13x5 basis. Both options feature same-day 4-hour 
onsite assistance when service issues cannot be 
resolved remotely. And for business-critical server 
and storage environments, where downtime is not 
an option, HP offers 24x7 6-hour call to repair.  
We offer the best of both worlds: the strong global 
presence and proven experience of HP, and a 
familiar local presence in our HP channel partners.
Offerings include:
Expert support for today’s heterogeneous server,
  
storage, SAN and NAS, data backup tech-
nologies, and multi-vendor storage products 
End-to-end services for Information Lifecycle 
Management (ILM) solution planning, archi-
tecture design, implementation, integration,  
and ongoing support
A single point of accountability and colla-
borative approach to help you cut costs and 
complexity when managing and maintaining  
your IT investments
For more information, visit: 
HP Services