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Power supplies
The server supports either a single fixed power supply or one or two hot-swap power supplies. When two
hot-swap power supplies are installed, they form a redundant pair. The following table lists the supported
power supplies.
Table 41. Power supply options
Part
Feature
number
code
None*
AVS1
7N67A00882 AUSD
7N67A00883 AUSC
7N67A00884 AUSB
7N67A00885 AUN9
* Configure-to-order only
550W, 750W and 1100W Platinum power supplies are auto-sensing and support both 110V AC (100-127V
50/60 Hz) and 220V AC (200-240V 50/60 Hz) power. The 750W Titanium power supply only supports 220V
AC power. In China only, all four hot-swap power supplies also support 240V DC.
Power supply options do not include a line cord.
For server configurations, the inclusion of a power supply is model dependent. Configure-to-order models
can be configured without a power cord if desired.
Configuration rules
The following table shows the power supplies supported with and without GPUs and with the various
supported drive bay configurations.
For further power configuration of the server, use the Lenovo Power Configurator, available at:
https://support.lenovo.com/us/en/documents/LNVO-PWRCONF
Additional rules:
550W, 750W, 1100W power supplies can be used all processors supported by the server
450W power supply can only be used with processors that have a TDP of 85W or lower
1100W power supply supports GPUs, however limitations on cooling fan redundancy exist for some
configurations as described in the
Lenovo ThinkSystem ST550 Server
Description
450W (230V/115V) Gold AC Fixed
(Cabled) Power Supply
550W (230V/115V) Platinum Hot-Swap
Power Supply
750W (230/115V) Platinum Hot-Swap
Power Supply
750W (230V) Titanium Hot-Swap Power
Supply
1100W (230V/115V) Platinum Hot-Swap
Power Supply
Fans and cooling
Maximum
supported 110V AC 220V AC
1
Yes
2
Yes
2
Yes
2
No
2
Yes
section
240V DC
China only
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
46
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