Unless you are super sensitive to sound I would get this:
https://www.overclockers.co.uk/showproduct.php?prodid=GX-281-MS&groupid=701&catid=56&subcat=1752
I have the non-x and I can hardly hear it above my case fans when gaming. End of the day when you play a game you have sound from speakers or headphones, so the card is never going to bother you as you won't hear it over the game. When in desktop mode it makes zero sound anyway.
Only way I see that card bothering you is if you have a super quiet case with hardly any fans or very low rpm fans.
Before the whole 3.5gb issue of 970 and their prices going up, I was recommending them. Supervised anyone would recommend one now to be honest, comes a cross as a highly subjective opinion.