Buy 64gb memory card for gopro hero3 hero3+ - sandisk ultra 64g micro sdxc micro sd uhs-1 tf class 10 for hero3 white edition / hero3+ black edition / hero3+ silver edition w/ everything but stromboli memory card reader at amazon uk.. I'm actually running 128 gb ones in my hero 5 and hero 6. but i'm not using the sandisk ones, i use samsung 128 gb evo and the samsung 128 gb pro + ones, and haven't ran into any problems with them, except the now and then file is corrupt, which i gotten on all different types of cards.. I bought a sandisk ultra 64gb with my gopro 3 black in china. since the recording of sound is out of phase with the image, and the image is not smooth, perhaps missing frames, i bought a supreme pro micro sd 64gb ..
I know gopro's 2.0 update for the black & silver hero 3+ was suppose to fix the sandisk problem that was reported when the camera first came out about it having problems with the cards & now it seems like the problems back with the extreme plus 32gb & 64gb cards.. Works with gopro—verified by gopro to be compatible with gopro cameras western digital technologies, inc. is the seller of record and licensee in the americas of sandisk