Not sold at retail, but you can browse Logitech
Some links here are affiliate links. If you buy through one, Creator Gear earns a commission, at no extra cost to you.
Creators cited with this
JesseDriftwoodYouTube, 231K followers“This is the MX Master 4 and then as I mentioned, I have the Logi MX Mechanical Keyboard. I love the clickety-clack sound when I'm typing.”
Watch the video at 9:08
Creators who use this also use

Logitech MX Master 4
also used by 1 of them
Logitech Options (Logi Options)
also used by 1 of them

Luna Ultra
also used by 1 of them

Mac Studio
also used by 1 of them

MacBook Pro
also used by 1 of them
Sam Newton's Total Eclipse LUT
also used by 1 of them