NZXT Guardian 921 Graphics Card

[iWinna]

I have a EVGA GTX 760 GPU, and when I put it into my case the clamps don't snap onto the card. Are they suppose to clamp onto the card?

 

[JuX]

Yeah they are.
But you have used screws to screw it to the case haven't you, and if it is working well then it's fine.