When the GoPro Hero 4 was released in 2014 - it took the action camera market by storm. It was an incredible success and allowed those without deep pockets the ability to afford a rugged all-terrain camera. Fast forward 7 years and the Hero 4 still remains a very viable option. But, with this amount of time and advancement in technology, what's the best memory card for GoPro Hero 4? That's the problem we solve for you today...