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Lenovo computer, ENERGY STAR certified

Lenovo ThinkCentre M90a Gen 6

64 GB integrated desktop computer, model number 13AT.

Memory

64 GB

Processor

Core Ultra 9 285

Typical electricity use

77.5 kWh/yr

NPU installed

Yes

Of 96 certified integrated desktop business computers, 88 have a lower typical electricity use than the ThinkCentre M90a Gen 6 (77.5 kWh/yr).

Its certified typical electricity use of 77.5 kWh/yr costs about $10 a year at 13¢/kWh.

Maker
Lenovo
Model
ThinkCentre M90a Gen 6
Model number
13AT
Type
Integrated Desktop
Processor
Core Ultra 9 285
CPU cores
24
Memory
64 GB
NPU installed
Yes
Storage
SSD
Screen
23.8 in
Operating system
Windows 11
Typical electricity use
77.5 kWh/yr
Power in sleep
1.3 W
Power at long idle
8.2 W
Power when off
0.7 W
On the market since
Mar 2025
ENERGY STAR certified
14 Mar 2025

Certified under the same record

The maker lists these as the same machine or a variant of it: 13AU.

Source: ENERGY STAR certified business computers dataset, US EPA, record 4000185, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the ThinkCentre M90a Gen 6

Certified business computers from other makers, same color class, within 20% of its speed.

ModelTypeProcessorMemoryTypical electricity use
HP HSC-I010-23Integrated DesktopCore Ultra 764 GB67.6 kWh/yr
Ace Computers VS-AOH1TAIntegrated DesktopCore i564 GB64.5 kWh/yr
HP HSC-I009-27Integrated DesktopCore Ultra 964 GB72 kWh/yr
DELL W31CIntegrated DesktopUltra 9 28564 GB72 kWh/yr
DELL W32CIntegrated Desktop300T64 GB63.4 kWh/yr
Toshiba TCx 820Integrated DesktopCore 7 160UL64 GB33.5 kWh/yr

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