Business computersENERGY STAR certified
ALTOS S25E1
64 GB workstation computer.
Memory
64 GB
Processor
Ultra 9 285K
Typical electricity use
82.5 kWh/yr
CPU cores
24
Of 60 certified workstation business computers, 44 have a lower typical electricity use than the S25E1 (82.5 kWh/yr).
Its certified typical electricity use of 82.5 kWh/yr costs about $11 a year at 13¢/kWh.
- Maker
- ALTOS
- Model
- S25E1
- Type
- Workstation
- Processor
- Ultra 9 285K
- CPU cores
- 24
- Memory
- 64 GB
- Storage
- SSD, HDD
- Operating system
- Windows 11 Pro
- Marketed as a workstation
- Yes
- Typical electricity use
- 82.5 kWh/yr
- Power in sleep
- 0.2 W
- Power at long idle
- 45 W
- Power when off
- 0.2 W
- On the market since
- Oct 2025
- ENERGY STAR certified
- 13 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: Altos T3-150, BrainSphere P150 F10.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4511207, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the S25E1
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| DELL D18U | Workstation | i9-14900 | 64 GB | 7.6 kWh/yr |
| DELL D20U | Workstation | Ultra 9 285 | 64 GB | 12.3 kWh/yr |
| DELL D17S | Workstation | I9-12900 | 64 GB | 11.9 kWh/yr |
| HP Z2 Mini G9 Workstation Desktop PC ENERGY STAR | Workstation | Core i9-12900K 16C 3.20G LGA 30 MB 125W (QY5U) | 64 GB | 9.7 kWh/yr |
| Lenovo ThinkStation P3 Tiny | Workstation | i9-13900 | 64 GB | 11.3 kWh/yr |
| Supermicro SYS-531A-I | Workstation | Intel(R) Xeon(R) w5-2455x | 64 GB | 79.3 kWh/yr |