Can I trust a slightly scratched pcb?

Jul 28, 2013
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I know a guy willing to sell me a gtx 680 for $100 but the upper right corner where the 2 6pin connectors plug in, looks like the corner of the pcb was sanded very slightly and the edges are rounded slightly and its very minute. He says it works fine, and I wonder how long it will last and if there is any important circuitry in that far corner.

P.S. can I trust a 2x molex to 6pin if I get this card.

600w ciolmax PSU with 52amps on the 12v rails.
 
Solution
Hmmm. Like Gamer01 said, definitely check to see that the thing boots... and also ask him to run a graphics benchmark that stresses the card.