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IBM NeXtScale System Planning and Implementation Guide
Table 3-7 shows the quantity supported of compute nodes with six 900 W power
supplies installed in the chassis with those power supplies connected to a
200-240V (high-line) AC input.
Table 3-7 Number of compute nodes supported (high-line AC Input, with 6 x 900 W PSUs)
Compute nodes
Power policy - 6 x 900W power supplies
CPU TDP
Number of
CPUs
Non-redundant
or N+1 with OVS
a
a. OVS (oversubscription) of the power system allows for more efficient use of the available system
power.
N+1
N+N
N+N
with OVS
a
High line AC input (200-240 V)
50 W
1
12
12
12
12
2
12
12
11
12
60 W
1
12
12
12
12
2
12
12
10
12
70 W
1
12
12
12
12
2
12
12
8
11
80 W
1
12
12
11
12
2
12
12
8
9
95 W
1
12
12
10
12
2
12
12
6
10
115 W
1
12
12
8
10
2
12
10
5
8
130 W
1
12
12
7
9
2
10
8
4
7
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