SanDisk 32GB Memory Card Extreme Works with GoPro Hero 7 Black, Silver, Hero7 White UHS-1 U3 Micro SDXC Bundle with Everything But Stromboli 3.0 Micro/SD Card Reader : Amazon.co.uk: Computers & Accessories
Kingston 64GB SDXC Micro Canvas Go! Memory Card and Adapter Works with GoPro Hero 7 Black, Silver, Hero7 White Camera (SDCG2/64GB) Bundle with (1) Everything But Stromboli TF and SD Card Reader :
GoPro SD Card Error Fix: How to Recover Your Footage?
How to Install SD Card in GoPro Hero 7 including Fitting Battery. - YouTube