Power Supplies - IBM System x3650 M4 HD Product Manual

Power supplies

The server supports up to two redundant power supplies. Standard models come with one or two power
supplies (model dependent). The following table lists the power supplies.
Table 17. Power supplies
Part number Feature
code
94Y6667 A2EB
94Y6669 A1H5
94Y6668 A1H6
94Y7631 A39N
An AC power supply ships standard with one 2.8 m C13 - C14 power cord.
All IBM CFF power supplies are compliant with and exceed 80 Plus Platinum standard, as shown in the
following table. Maximum power efficiency is achieved at 50% load.
Table 18. Power supply efficiencies
Power supply unit
80 PLUS Platinum standard
IBM Power supplies
IBM System x 900W High Efficiency Platinum AC Power Supply
IBM System x 750W High Efficiency Platinum AC Power Supply
IBM System x 550W High Efficiency Platinum AC Power Supply
For power supply selection, use the following rule-of-thumb:
Select 550W power supplies if all of the following items are true:
8 or fewer DIMMs (no LRDIMMs)

16 or fewer HDDs

One CPU 115W or lower

1 or 2 PCIe adapters

No High IOPS adapters

No GPUs

IBM System x3650 M4 HD
Description
IBM System x 900W High Efficiency
Platinum AC Power Supply
IBM System x 750W High Efficiency
Platinum AC Power Supply
IBM System x 550W High Efficiency
Platinum AC Power Supply
IBM System x 750W High Efficiency
-48 V DC Power Supply
Maximum Standard models
supported where used
2 M3x, 83x
2 All other models
2
2 -
20% load 50% load
90.00% 94.00%
90.45% 94.02%
92.32% 94.31%
92.94% 94.21%
100% load
91.00%
91.89%
93.14%
92.74%
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