This is known as WQXGA . It is technically "taller" than the standard 16:9 2K resolution (2560x1440).
For high-quality, safe downloads of 2560x1600 simple wallpapers, you can explore the following platforms:
Offers a large collection of dedicated minimalist wallpapers specifically cropped to 2560x1600 resolution.
Excellent for finding high-resolution nature and lifestyle photography that fits this resolution.
an empty space on your desktop and select Personalize . Under Background , choose Picture . Click Browse and select your downloaded 2560x1600 file.