IBM NeXtScale System Planning And Implementation Manual page 204

Figure 7-18 Power overview
PSU Configuration tab
As shown in Figure 7-19 on page 187, the PSU Configuration tab allows setting
the redundancy mode for the enclosure and enable oversubscription mode, if
needed.
The following redundancy modes can be selected:
No redundancy: Compute nodes can be throttled or shutdown if any power
supply is in faulty condition.
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The power consumption of the chassis depends on nodes configuration and actual load. Figure 7-18 was taken with
minimum node configuration and no load. Power consumption numbers differ in each case.
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