IgorsLAB reviewed the Corsair RM850x W (2021) PSU
A quote from the article:
After almost three years in production, Corsair has finally decided to update its popular RMx line to better suit the needs of todays graphics hardware. There are again five models with capacities ranging from 550 W to 1000 W. All are fully modular and the OEM is still Channel Well Technology, as before.Corsair RM850x W (2021) PSU Review