dynabook computer, ENERGY STAR certified
dynabook TECRA A50-K
64 GB notebook computer, model number PML20*.
Memory
64 GB
Processor
Core i7
Typical electricity use
20.2 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 920 have a lower typical electricity use than the TECRA A50-K (20.2 kWh/yr).
Its certified typical electricity use of 20.2 kWh/yr costs about $2.63 a year at 13¢/kWh.
ENERGY STAR has certified this model 2 times, first in Aug 2025. The figures here are from the most recent certification.
- Maker
- dynabook
- Model
- TECRA A50-K
- Model number
- PML20*
- Type
- Notebook
- Processor
- Core i7
- CPU cores
- 14
- Memory
- 64 GB
- NPU installed
- No
- Storage
- SSD
- Screen
- 15.6 in
- Battery
- 53 Wh
- Operating system
- Windows 11
- Marketed as a workstation
- No
- Typical electricity use
- 20.2 kWh/yr
- Power in sleep
- 1.3 W
- Power at long idle
- 1.3 W
- Power when off
- 0.4 W
- On the market since
- Mar 2022
- ENERGY STAR certified
- 19 Sep 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: SATELLITE PRO A50-K, PML20*, PML21*, PML22*, PML23*, PML24*, PML25*, PML26*, SATELLITE PRO R50-K.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4509934, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the TECRA A50-K
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| HP HSN-I62C-3 | Notebook | Core Ultra 7 | 64 GB | 10.6 kWh/yr |
| HP HSN-I62C | Notebook | Core Ultra 7 | 64 GB | 11 kWh/yr |
| HP HSN-I62C-6 | Notebook | Core Ultra 9 | 64 GB | 19.8 kWh/yr |
| HP HSN-I62C-4 | Notebook | Core Ultra 9 | 64 GB | 15.6 kWh/yr |
| HP HSN-Q38C-4 | Notebook | Core Ultra 7 | 64 GB | 19.1 kWh/yr |
| HP HSN-Q38C | Notebook | Core Ultra 7 | 64 GB | 19.3 kWh/yr |
dynabook
More dynabook business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| PORTEGE E40L-Q | Notebook | Core 7 360 | 32 GB | 9.9 kWh/yr |
| TECRA A60-P | Notebook | Core Ultra 7 365 | 64 GB | 12.1 kWh/yr |
| TECRA A40-P | Notebook | Core Ultra 7 365 | 64 GB | 11.5 kWh/yr |
| PORTEGE Z40L-P | Notebook | Core Ultra X9 388H | 64 GB | 10.3 kWh/yr |
| PORTEGE X30L-P | Notebook | Core Ultra 7 | 64 GB | 9.9 kWh/yr |
| PORTEGE X45W-M | Notebook | Ryzen 7 Pro 250 | 64 GB | 19.4 kWh/yr |
| SATELLITE PRO C50-K | Notebook | Core i3 | 32 GB | 17.6 kWh/yr |
| SATELLITE PRO C30-K | Notebook | Core i3, Core i7 | 32 GB | 13.3 kWh/yr |