Supermicro computer, ENERGY STAR certified
Supermicro SYS-531A-I
64 GB workstation computer.
Memory
64 GB
Processor
Intel(R) Xeon(R) w5-2455x
Typical electricity use
79.3 kWh/yr
CPU cores
12
Of 60 certified workstation business computers, 41 have a lower typical electricity use than the SYS-531A-I (79.3 kWh/yr).
Its certified typical electricity use of 79.3 kWh/yr costs about $10 a year at 13¢/kWh.
- Maker
- Supermicro
- Model
- SYS-531A-I
- Type
- Workstation
- Processor
- Intel(R) Xeon(R) w5-2455x
- CPU cores
- 12
- Memory
- 64 GB
- Storage
- Hard Disk Drive
- Operating system
- Windows 11 Pro
- Marketed as a workstation
- Yes
- Typical electricity use
- 79.3 kWh/yr
- Power in sleep
- 81.3 W
- Power at long idle
- 82.3 W
- Power when off
- 4.5 W
- On the market since
- Jul 2023
- ENERGY STAR certified
- 10 Jul 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: 735D4-S12X13.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4478481, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the SYS-531A-I
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| DELL D18U | Workstation | i9-14900 | 64 GB | 7.6 kWh/yr |
| DELL D20U | Workstation | Ultra 9 285 | 64 GB | 12.3 kWh/yr |
| DELL D17S | Workstation | I9-12900 | 64 GB | 11.9 kWh/yr |
| HP Z2 Mini G9 Workstation Desktop PC ENERGY STAR | Workstation | Core i9-12900K 16C 3.20G LGA 30 MB 125W (QY5U) | 64 GB | 9.7 kWh/yr |
| Lenovo ThinkStation P3 Tiny | Workstation | i9-13900 | 64 GB | 11.3 kWh/yr |
| ALTOS S25E1 | Workstation | Ultra 9 285K | 64 GB | 82.5 kWh/yr |
Supermicro
More Supermicro business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| AS -531AW-TC | Workstation | Ryzen Threadripper PRO 7965WX | 256 GB | 233 kWh/yr |
| SYS-532AW-C | Workstation | Intel®Core™ Ultra 7 | 192 GB | 158 kWh/yr |
| SYS-551A-T | Workstation | Xeon® CPU W5-3425 | 32 GB | 80.8 kWh/yr |
| AS -3015A-I | Workstation | Ryzen 9 7950X | 128 GB | 52.8 kWh/yr |