Skip to content

Business computersENERGY STAR certified

HP Z4 G5 Workstation ENERGY STAR

512 GB workstation computer, model number Z4 G5 Workstation.

Memory

512 GB

Processor

Intel(R) Xeon(R) W7-2495X

Typical electricity use

44.8 kWh/yr

CPU cores

24

Of 60 certified workstation business computers, 29 have a lower typical electricity use than the HP Z4 G5 Workstation ENERGY STAR (44.8 kWh/yr).

Its certified typical electricity use of 44.8 kWh/yr costs about $5.82 a year at 13¢/kWh.

Maker
HP
Model
HP Z4 G5 Workstation ENERGY STAR
Model number
Z4 G5 Workstation
Type
Workstation
Processor
Intel(R) Xeon(R) W7-2495X
CPU cores
24
Memory
512 GB
Storage
Hard Disk Drive
Operating system
Windows 11
Marketed as a workstation
Yes
Typical electricity use
44.8 kWh/yr
Power in sleep
8.5 W
Power at long idle
74 W
Power when off
2.9 W
On the market since
Mar 2023
ENERGY STAR certified
6 Aug 2025

Certified under the same record

The maker lists these as the same machine or a variant of it: HP Z4 G5 Workstation, FCLSA-2201A, FCLSA-2201B, FCLSA-2201C.

Source: ENERGY STAR certified business computers dataset, US EPA, record 4481096, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the HP Z4 G5 Workstation ENERGY STAR

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

ModelTypeProcessorMemoryTypical electricity use
ASUS Pro ET900A X9WorkstationRyzen Threadripper512 GB109 kWh/yr
Lenovo ThinkStation P5WorkstationXeon W7-2495X512 GB66.4 kWh/yr
DELL D33MWorkstationXeon 658X512 GB73.2 kWh/yr

HP

More HP business computers

ModelTypeProcessorMemoryTypical electricity use
HP OmniBook 5 14 inch Laptop AI PC ENERGY STARNotebookIntel Core 7 35016 GB9.2 kWh/yr
HP Fortis G2m 14 inch Chromebook ENERGY STARNotebookMediaTek Kompanio 54016 GB7.6 kWh/yr
HP Fortis G2m 11 inch Chromebook ENERGY STARNotebookMediaTek Kompanio 5408 GB6.5 kWh/yr
Fortis Flip G2m 11 inchNotebookMediaTek Kompanio 54016 GB6.3 kWh/yr
HP ProBook 4 G2iS 14 ENERGY STARNotebookCore 7 35032 GB9.2 kWh/yr
HSN-I70CNotebookRyzen AI Max+ PRO 495192 GB21.7 kWh/yr
HP Elite t655 Thin ClientDesktopR23148 GB26 kWh/yr
14c-cfNotebookSnapdragon X1E8010032 GB19.9 kWh/yr

All HP business computers