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Apple computer, ENERGY STAR certified

Apple Mac Studio (M5 Ultra)

512 GB desktop computer, model number A3546.

Memory

512 GB

Processor

Apple M5 Ultra

Typical electricity use

27.5 kWh/yr

NPU installed

Yes

Of 247 certified desktop business computers, 56 have a lower typical electricity use than the Mac Studio (M5 Ultra) (27.5 kWh/yr).

Its certified typical electricity use of 27.5 kWh/yr costs about $3.58 a year at 13¢/kWh.

Maker
Apple
Model
Mac Studio (M5 Ultra)
Model number
A3546
Type
Desktop
Processor
Apple M5 Ultra
CPU cores
36
Memory
512 GB
NPU installed
Yes
Storage
SSD
Operating system
Mac OS 27.0
Typical electricity use
27.5 kWh/yr
Power in sleep
0.9 W
Power at long idle
5.9 W
Power when off
0.2 W
On the market since
Aug 2026
ENERGY STAR certified
17 Aug 2026

Source: ENERGY STAR certified business computers dataset, US EPA, record 4693499, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Apple

More Apple business computers

ModelTypeProcessorMemoryTypical electricity use
Mac Studio (M5 Max)DesktopApple M5 Max128 GB26.2 kWh/yr
Mac mini (M5 Pro)DesktopApple M5 Pro64 GB19.2 kWh/yr
Mac mini (M6)DesktopApple M616 GB12.9 kWh/yr
A3404NotebookA18 Pro Chip8 GB6.1 kWh/yr
MacBook Pro 16 in. with M5 Max ChipNotebook-36 GB17.9 kWh/yr
MacBook Pro 16 in. with M5 Pro ChipNotebook-24 GB17 kWh/yr
MacBook Pro 14 in. with M5 Max ChipNotebook-36 GB9.2 kWh/yr
MacBook Pro 14 in. with M5 Pro ChipNotebook-64 GB10.3 kWh/yr

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