Dell Precision 5750 has an option for matte display and it rocks.
https://www.dell.com/en-us/work/shop/workstations-isv-certif...
https://www.dell.com/en-us/work/shop/workstations-isv-certif...
Sad that there is no option for matte 4K+
I bought my Precision 5750 in late 2020 so my infos might be outdated. Check the description or call a Dell rep.