Business computersENERGY STAR certified
DELL W31C
64 GB integrated desktop computer, model number QB24250.
Memory
64 GB
Processor
Ultra 9 285
Typical electricity use
72 kWh/yr
NPU installed
Yes
Of 96 certified integrated desktop business computers, 84 have a lower typical electricity use than the W31C (72 kWh/yr).
Its certified typical electricity use of 72 kWh/yr costs about $9.36 a year at 13¢/kWh.
- Maker
- DELL
- Model
- W31C
- Model number
- QB24250
- Type
- Integrated Desktop
- Processor
- Ultra 9 285
- CPU cores
- 24
- Memory
- 64 GB
- NPU installed
- Yes
- Storage
- SSD
- Screen
- 23.8 in
- Operating system
- Windows 11, Ubuntu
- Typical electricity use
- 72 kWh/yr
- Power in sleep
- 2.8 W
- Power at long idle
- 2.8 W
- Power when off
- 0.4 W
- On the market since
- Mar 2025
- ENERGY STAR certified
- 23 Apr 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: QC24250.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4016193, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the W31C
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Lenovo ThinkCentre M90a Gen 6 | Integrated Desktop | Core Ultra 9 285 | 64 GB | 77.5 kWh/yr |
| Lenovo ThinkCentre M90a Pro Gen6 | Integrated Desktop | Core Ultra 9 285 | 64 GB | 91.3 kWh/yr |
| HP HSC-I010-23 | Integrated Desktop | Core Ultra 7 | 64 GB | 67.6 kWh/yr |
| Lenovo ThinkCentre M70a Gen 6 | Integrated Desktop | Ultra 7 265T | 64 GB | 63.3 kWh/yr |
| Ace Computers VS-AOH1TA | Integrated Desktop | Core i5 | 64 GB | 64.5 kWh/yr |
| HP HSC-I009-27 | Integrated Desktop | Core Ultra 9 | 64 GB | 72 kWh/yr |
DELL
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|---|---|---|---|---|
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| P146F | Notebook | NVIDIA N1x GSE1-675-A1 | 128 GB | 25.9 kWh/yr |
| P214G | Notebook | Ryzen 7 | 32 GB | 11.5 kWh/yr |
| P213G | Notebook | Ryzen 7 | 32 GB | 12.1 kWh/yr |
| P205G | Notebook | MediaTek Kompanio 540 | 8 GB | 9.1 kWh/yr |
| P30T | Notebook | MediaTek Kompanio 540 | 8 GB | 9.1 kWh/yr |