I know there are a fair few of these around with in the community and it seems if you got it from amazon you can get yourself a 20% refund for this RAM issue. Seems like it might be worth a try if you got it form amazon
http://www.kitguru.net/components/graphic-cards/matthew-wilson/some-gtx-970-buyers-getting-partial-refunds-from-amazon/
http://www.kitguru.net/components/graphic-cards/matthew-wilson/some-gtx-970-buyers-getting-partial-refunds-from-amazon/