Business computersENERGY STAR certified
CIARA KRONOS 54*-G*
32 GB workstation computer, model number KRONOS 540-G2.
Memory
32 GB
Processor
Core i7
Typical electricity use
31.6 kWh/yr
CPU cores
20
Of 60 certified workstation business computers, 20 have a lower typical electricity use than the KRONOS 54*-G* (31.6 kWh/yr).
Its certified typical electricity use of 31.6 kWh/yr costs about $4.11 a year at 13¢/kWh.
- Maker
- CIARA
- Model
- KRONOS 54*-G*
- Model number
- KRONOS 540-G2
- Type
- Workstation
- Processor
- Core i7
- CPU cores
- 20
- Memory
- 32 GB
- Storage
- M.2 SSD
- Operating system
- Windows 11
- Marketed as a workstation
- Yes
- Typical electricity use
- 31.6 kWh/yr
- Power in sleep
- 2.4 W
- Power at long idle
- 1.5 W
- Power when off
- 1.5 W
- On the market since
- Mar 2026
- ENERGY STAR certified
- 26 Mar 2026
Certified under the same record
The maker lists these as the same machine or a variant of it: The "*" Can be 0-9, A-Z, a-z or blank, only for marketing purpose.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4577063, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the KRONOS 54*-G*
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Supermicro SYS-551A-T | Workstation | Xeon® CPU W5-3425 | 32 GB | 80.8 kWh/yr |
CIARA
More CIARA business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| D1***0 | Desktop | Core Ultra 5 | 128 GB | 91.5 kWh/yr |
| T1***0 | Desktop | Core Ultra 5 | 128 GB | 87.6 kWh/yr |
| ASTRO PW64-**(The "*" Can be 0-9 | Desktop | Core i7 | 64 GB | 23.5 kWh/yr |