450W PSU for HD 7790?

SamGuy1

Reputable
Mar 13, 2014
3
0
4,510
12V1 21A 12V2 18A 450W CWT PSU. I'm no expert with PSUs and need to know if the 12V rails are enough for the card.

Rest of system:

I7 3770
1 stick 8GB Ram
HD 7770
2TB HDD

Thanks