Apple computer, ENERGY STAR certified
Apple Mac Studio (M3 Ultra)
96 GB desktop computer, model number A3389.
Memory
96 GB
Processor
Apple M3 Ultra
Typical electricity use
26.9 kWh/yr
NPU installed
No
Of 247 certified desktop business computers, 52 have a lower typical electricity use than the Mac Studio (M3 Ultra) (26.9 kWh/yr).
Its certified typical electricity use of 26.9 kWh/yr costs about $3.50 a year at 13¢/kWh.
ENERGY STAR has certified this model 2 times, first in Oct 2025. The figures here are from the most recent certification.
- Maker
- Apple
- Model
- Mac Studio (M3 Ultra)
- Model number
- A3389
- Type
- Desktop
- Processor
- Apple M3 Ultra
- CPU cores
- 28
- Memory
- 96 GB
- NPU installed
- No
- Storage
- SSD
- Operating system
- Mac OS, Version 15.3
- Typical electricity use
- 26.9 kWh/yr
- Power in sleep
- 0.8 W
- Power at long idle
- 5.8 W
- Power when off
- 0.3 W
- On the market since
- Mar 2025
- ENERGY STAR certified
- 16 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: A3389, MU973.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4513876, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Apple
More Apple business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Mac Studio (M5 Ultra) | Desktop | Apple M5 Ultra | 512 GB | 27.5 kWh/yr |
| Mac Studio (M5 Max) | Desktop | Apple M5 Max | 128 GB | 26.2 kWh/yr |
| Mac mini (M5 Pro) | Desktop | Apple M5 Pro | 64 GB | 19.2 kWh/yr |
| Mac mini (M6) | Desktop | Apple M6 | 16 GB | 12.9 kWh/yr |
| A3404 | Notebook | A18 Pro Chip | 8 GB | 6.1 kWh/yr |
| MacBook Pro 16 in. with M5 Max Chip | Notebook | - | 36 GB | 17.9 kWh/yr |
| MacBook Pro 16 in. with M5 Pro Chip | Notebook | - | 24 GB | 17 kWh/yr |
| MacBook Pro 14 in. with M5 Max Chip | Notebook | - | 36 GB | 9.2 kWh/yr |