IBM NeXtScale System Planning And Implementation Manual page 55

Table 3-8 shows the quantity supported of compute nodes with six 900 W power
supplies installed in the chassis with those power supplies connected to a
100-127 V (low-line) AC input.
Table 3-8 Number of compute nodes supported (low-line AC Input, with 6 x 900 W PSUs)
Compute nodes
CPU Number of
TDP CPUs
Low line AC input (100-127 V)
50 W 1
2
60 W 1
2
70 W 1
2
80 W 1
2
95 W 1
2
115 W 1
2
130 W 1
2
a. OVS (oversubscription) of the power system allows for more efficient use of the available system
power.
Power policy - 6 x 900W power supplies
Non-redundant
a
or N+1 with OVS N+1
12 12
12 12
12 12
12 9
12 12
12 9
12 12
10 9
12 11
9 7
11 9
7 6
9 8
6 5
N+N
9
6
7
5
7
5
6
5
6
4
5
3
4
3
Chapter 3. IBM NeXtScale n1200 Enclosure
N+N
a
with OVS
11
10
9
7
9
7
8
7
7
6
6
5
5
4
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