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ServersENERGY STAR certified

IBM Power E1150

4 rack-mount server, model number 9043-MRU.

Processor sockets

4

Cores per processor

16

Memory (as tested)

4,096 GB

Idle power (typical config)

1,526 W

Of 306 certified rack-mount servers, 305 have a lower idle power (typical config) than the IBM Power E1150 (1,526 W).

Maker
IBM
Model
IBM Power E1150
Model number
9043-MRU
Type
Rack-mount
Processor sockets
4
Processor (as tested)
Power11 Feature Code EPEX
Processor brand
IBM
Cores per processor
16
Memory (as tested)
4,096 GB
DIMM slots
64
Expansion slots
11
ECC memory
Yes
Idle power (typical config)
1,526 W
Liquid cooling as shipped
No
On the market since
Jul 2025
ENERGY STAR certified
19 Feb 2026

Source: ENERGY STAR certified servers dataset, US EPA, record 4570214, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the IBM Power E1150

Certified servers from other makers, same color class, within 20% of its speed.

ModelTypeProcessor socketsProcessor (as tested)Idle power (typical config)
DELL E75SRack-mount2Silver 4314146 W
DELL EMC E75SRack-mount2Silver 4314146 W
Lenovo ThinkSystem SR655 V3Rack-mount1AMD EPYC 9124 16-Core Processor116 W
Lenovo ThinkSystem SR665 V3Rack-mount2AMD EPYC processor SP5 GENOA 9124139 W
Lenovo ThinkSystem SR635 V3Rack-mount1AMD EPYC 9124 16-Core Processor95.1 W
DELL E69SRack-mount2Silver 431489.9 W

IBM

More IBM servers

ModelTypeProcessor socketsProcessor (as tested)Idle power (typical config)
IBM Power S1012Rack-mount1Power10175 W
IBM Power E1050Rack-mount4Power101,284 W
IBM Power S1022Rack-mount2Power10582 W
IBM Power S1022sRack-mount2Power10447 W
IBM Power S1014Rack-mount1Power10366 W
IBM Power S1024Rack-mount2Power10738 W
IBM Power S1122Rack-mount2Power11 Feature Code EBG8755 W
IBM Power S1124Rack-mount2Power11 Feature Code EP3X838 W

All IBM servers