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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
Number of
CPU TDP
CPUs
High line AC input (200-240 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.
36
IBM NeXtScale System Planning and Implementation Guide
Power policy - 6 x 900W power supplies
Non-redundant
a
or N+1 with OVS
N+1
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
10
12
12
10
8
N+N
N+N
with OVS
12
12
11
12
12
12
10
12
12
12
8
11
11
12
8
9
10
12
6
10
8
10
5
8
7
9
4
7
a
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