GoPro Hero 8 Black Issues; Best Memory Cards GoPro Hero 8. Before buying memory cards for the Hero 8 there are a few important details. The camera uses a single UHS-I micro SD memory card slot. You don’t need to buy UHS-II card, but you should stick with the U3 speed class to avoid any problems. The Hero8 has a memory card capacity of up to SanDisk 256GB Extreme Pro Micro SD Memory Card for GoPro Hero 10 Black Camera Hero10 UHS-1 U3 / V30 A2 4K Class 10 (SDSQXCZ-256G-GN6MA) Bundle with 1 Everything But Stromboli SDXC & Micro Card Reader SanDisk 256GB Micro SDXC Memory Card Extreme Works with GoPro Hero 8 Black, GoPro Max 360 Action Camera U3 V30 4K A2 Class 10 (SDSQXAV-256G-GN6MN Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 64 GB, Pack of 2, Black 4.7 out of 5 stars 62,706 3 offers from $13.69 Comparing GoPro Cameras Hero 2 versus Hero 8 Black Compatible memory cards: SD; SDHC; Maximum memory card size: 32.0 GB: Storage types: Memory card: Recommended SD Card Best Size Memory Card Maximum Capacity; GoPro HERO11 Black: UHS Speed Class 3 (U3) or higher: 128GB or 256GB: Up to 256GB: GoPro HERO10 Black: UHS Speed Class 3 (U3) or higher: 128GB or 256GB: Up to 256GB: GoPro HERO9 Black: UHS Speed Class 3 (U3) or higher: 128GB or 256GB: Up to 256GB: GoPro HERO8 Black: UHS Speed Class 3 We used my son's hero 5 black for the first time yesterday at the local skatepark without issue. it came up with "sd card busy" before giving a record time on the 4. Than I when to purchase an order spec. 512GB SD card (A1 card)~ Run with old file in it~ without any issue~ No problem~ I believe there must be some problem with the current Gorpo 10 Firmware 1.16 It can not run A2 512GB spec. cards. Cards I test Not working: 1.Lexar Professional 1066x Silver Series 512GB microSDXC™ UHS-I (U3) (A2) (V30) 2. The write speed and capacity are the 2 most important. Card Capacity. I’m sure you’re familiar with the size or the amount of data an SD card can hold which is denoted in Gigabytes or GB. I’d suggest a minimum size of 64GB for the Max although you can use a 32GB card to record footage if you wish. The largest capacity card supported is Step 1. GoPro official website recommends the best SD cards for different models including HERO 10 Black, HERO 9 Black, HERO Black 8 and more. Find out if your card is on the list. Step 2. If the card you use is not on the list, then buy the recommended card, for example SanDisk Extreme UHS-I 32GB, from official resellers or other trustworthy OlGze.