Buy from Amazon.com : http://fave.co/1NikpGp

Komputerbay 2 PACK - 64GB SDXC Secure Digital Extended Capacity Speed Class 10 600X UHS-I Ultra

Product Description :
Only compatible with SDHC-labeled host devices Not compatible with standard SD devices
Reliability with a Lifetime limited warranty Huge 64GB capacity
Great for HD video recording High speed Class 10 rating UHS I rated
90MBs dramatically improves transfer speeds from card to computer
Take data photo music and video files wherever you go