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.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| ASUS Pro ET900A X9 | Workstation | Ryzen Threadripper | 512 GB | 109 kWh/yr |
| Lenovo ThinkStation P5 | Workstation | Xeon W7-2495X | 512 GB | 66.4 kWh/yr |
| DELL D33M | Workstation | Xeon 658X | 512 GB | 73.2 kWh/yr |
HP
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