Is my PSU powerful enough?

[Helen Barber]

Corsair TX850 Enthusiast Series TX 850W ATX/EPS 80 PLUS Bronze PSU

1. 
2. 

I would like to buy 6900 XT and a
AMD Ryzen 9 3950X

Thanks

 

[mickyflinn]

Yes it's fine but if it's more than 7 years old I would contemplate changing it.