Skip to content

Lenovo computer, ENERGY STAR certified

Lenovo IdeaCentre Tower 14IRR9

32 GB desktop computer, model number 90X1.

Memory

32 GB

Processor

i5-14400

Typical electricity use

46.6 kWh/yr

NPU installed

No

Of 247 certified desktop business computers, 144 have a lower typical electricity use than the IdeaCentre Tower 14IRR9 (46.6 kWh/yr).

Its certified typical electricity use of 46.6 kWh/yr costs about $6.06 a year at 13¢/kWh.

Maker
Lenovo
Model
IdeaCentre Tower 14IRR9
Model number
90X1
Type
Desktop
Processor
i5-14400
CPU cores
10
Memory
32 GB
NPU installed
No
Storage
3.5 inch HDD, SSD
Operating system
Windows 11
Typical electricity use
46.6 kWh/yr
Power in sleep
1.1 W
Power at long idle
9.6 W
Power when off
0.7 W
On the market since
Mar 2024
ENERGY STAR certified
27 Oct 2025

Source: ENERGY STAR certified business computers dataset, US EPA, record 4512791, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the IdeaCentre Tower 14IRR9

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

ModelTypeProcessorMemoryTypical electricity use
Acer D23E1DesktopCore i5-1335U32 GB25.1 kWh/yr
MSI MS-B0B1DesktopCore i7-1365U32 GB37.8 kWh/yr
Acer D21W1DesktopCore i532 GB85.2 kWh/yr
ASUS NUC15JNKDesktopCore Ultra 932 GB93.7 kWh/yr
ASUS NUC14LNSDesktopCore Ultra 932 GB28.1 kWh/yr
Acer MP24U01 (LNL)DesktopIntel Core Ultra 5 228V32 GB21.2 kWh/yr

Lenovo

More Lenovo business computers

ModelTypeProcessorMemoryTypical electricity use
Lenovo V15 G7 Q7XNotebookC11010016 GB8.2 kWh/yr
IdeaPad Slim 3 15Q7X11NotebookC11010016 GB7.8 kWh/yr
IdeaPad Slim 3 14Q7X11NotebookC11010016 GB8.2 kWh/yr
ThinkCentre M75s Gen 6DesktopRyzen 764 GB50.5 kWh/yr
ThinkCentre M75t Gen 6DesktopRyzen 764 GB53 kWh/yr
Yoga 9 2-in-1 16N1X11NotebookNVIDIA RTX Spark N1X (6144-core GPU, 20-core CPU)64 GB21.2 kWh/yr
ThinkCentre M75q Gen 6DesktopRyzen 764 GB36 kWh/yr
Yoga Pro 9 15N1X11NotebookNVIDIA RTX Spark N1x (6144-core GPU, 20-core CPU)128 GB23.4 kWh/yr

All Lenovo business computers