Psu compatibility with graphic card.

COSEC9

Reputable
May 31, 2014
20
0
4,510
my PSU is of 250w but the graphic card which I want (Sapphire AMD/ATI HD 7770 1 GB GDDR5 Graphics Card) requires 450w. Is there any I can run it without buying a new PSU?

And if not how can I run it on an external power supply???

THANK YOU!!