Dell P3421W
3440 x 1440 pixels, 34.14"
Question about P3421W - 377480
How can it be that the energy efficiency class is A+ until 2020 and suddenly F from 2021?
Helpful answer
Not because the monitor has become worse, but because the significance or classifications in the corresponding classes have changed. That is why the different year numbers clearly indicate this.
www.heise.de/news/Neues-Energieeffizienzlabel-fuer-Displays-...