IBM · 9 models
IBM servers
Every IBM server certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.
| Model | Type | Processor sockets | Processor (as tested) | Idle power (typical config) |
|---|---|---|---|---|
| IBM Power E1050 | Rack-mount | 4 | Power10 | 1,284 W |
| IBM Power E1150 | Rack-mount | 4 | Power11 Feature Code EPEX | 1,526 W |
| IBM Power S1012 | Rack-mount | 1 | Power10 | 175 W |
| IBM Power S1014 | Rack-mount | 1 | Power10 | 366 W |
| IBM Power S1022 | Rack-mount | 2 | Power10 | 582 W |
| IBM Power S1022s | Rack-mount | 2 | Power10 | 447 W |
| IBM Power S1024 | Rack-mount | 2 | Power10 | 738 W |
| IBM Power S1122 | Rack-mount | 2 | Power11 Feature Code EBG8 | 755 W |
| IBM Power S1124 | Rack-mount | 2 | Power11 Feature Code EP3X | 838 W |
Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.