Finally an SD card that works with Roku 3. I tried an 8GB Class 10 SDHC card and Roku didn't format it. I've seen recommendations that an older 2GB Class 4 SD card might work. This was recognized by the box and perfectly formatted. I would have preferred the Roku 3 to work with a larger card, but at least I now have more usable storage space for apps.
Smartphone Xiaomi Mi 8 Lite 6/128 GB, midnight black
70 Review
Smartphone ZTE Blade V10 Vita 2/32 GB, Dual nano SIM, graphite black
50 Review
Silicon Power Elite 64GB microSDXC 2-Pack Memory Card with Adapter for Nintendo Switch and Wyze Cam
57 Review
π½ 512GB Samsung Evo Plus Micro SDXC Memory Card
40 Review