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Cisco UCS Cisco UCS C220 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
CONFIGURING the SERVER
39
STEP 8
ORDER POWER SUPPLY
The C220 M3 SFF server accommodates two power supplies. A lightly loaded server can operate 
from one 650 W power supply. A fully loaded server might need to be powered with two 450 W or 
two 650 W power supplies (see 
). 
Use the power calculator at the following link to determine the needed power based on the 
options chosen (CPUs, drives, memory, and so on):
NOTE:  For configurations that use 130 W or 135 W CPUs, the minimum power supply 
required is 650 W (UCSC-PSU-650W). See 
.
Table 16
  Power Supply PIDs
Product ID (PID)
PID Description
UCSC-PSU-450W
450 W power supply
UCSC-PSU-650W
650 W power supply
UCSC-PSU-930WDC
930 W -48V DC power supply 
UCSC-PSU2V2-930DC
930 W - 48V V2 DC Power Supply for 2U C-Series Servers
NOTE:  In a two power supply server, both power supplies must be identical.