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Business computersENERGY STAR certified

Zebra ET4xxx

4 GB slate/tablet computer, model number ET40AB.

Memory

4 GB

Typical electricity use

6.6 kWh/yr

NPU installed

No

Storage

UFS (Universal Flash Storage)

Of 94 certified slate/tablet business computers, 27 have a lower typical electricity use than the ET4xxx (6.6 kWh/yr).

Its certified typical electricity use of 6.6 kWh/yr costs about $0.86 a year at 13¢/kWh.

Maker
Zebra
Model
ET4xxx
Model number
ET40AB
Type
Slate/Tablet
Memory
4 GB
NPU installed
No
Storage
UFS (Universal Flash Storage)
Screen
10 in
Battery
29.4 Wh
Operating system
Android OS
Marketed as a workstation
No
Typical electricity use
6.6 kWh/yr
Power at long idle
0.6 W
Power when off
0.3 W
On the market since
Mar 2023
ENERGY STAR certified
10 Sep 2025

Certified under the same record

The maker lists these as the same machine or a variant of it: ET40AA, ET40AB, ET45BA, ET45BB.

Source: ENERGY STAR certified business computers dataset, US EPA, record 4499047, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the ET4xxx

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

ModelTypeProcessorMemoryTypical electricity use
Lenovo TB310FUSlate/Tablet-4 GB4.2 kWh/yr
Lenovo TB305FUSlate/Tablet-4 GB3.2 kWh/yr
Samsung SM-X218USlate/Tablet-4 GB6.8 kWh/yr
Samsung SM-X110Slate/Tablet-4 GB3.8 kWh/yr
Samsung SM-P620Slate/Tablet-4 GB5.7 kWh/yr
Samsung SM-X117USlate/Tablet-4 GB4.3 kWh/yr

Zebra

More Zebra business computers

ModelTypeProcessorMemoryTypical electricity use
ET4010BIntegrated DesktopKryo Silver6 GB13.4 kWh/yr
ZEC500DesktopQCS54308 GB26.3 kWh/yr
ET4010ASlate/Tablet-6 GB10.7 kWh/yr
ET8xxSlate/Tablet-16 GB16.7 kWh/yr
ET6xWWSlate/Tablet-32 GB7.8 kWh/yr
KC50 Series Integrated Desktop ComputerIntegrated Desktop5430 Octa Core chipset 2.1 GHz8 GB16.9 kWh/yr
ET6xAWSlate/Tablet-8 GB8 kWh/yr

All Zebra business computers