Which PSU for Nvidia gtx 650 non ti?

HackerX

Honorable
May 18, 2013
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My specs are:
Gigabyte 78 lmt sp2 mobo
AMD FX 6100 processor
Nvidia gtx 650 non ti.

Currently I am using a 255 WATT psu which came with the cabinet itself.

However I am thinking that upgrading my psu can increase the performance.
Will it increase?

If yes, will a Cooler Master 350 W PSU be enough?(not thinking of buying a very expensive psu. About 2000 to 2500 INR. i. e. 25 to 40 USD.)

Pls refer www.flipkart.com for PSU pricing.

Thanks in advance.