I was a bit hesitant to buy a non-genuine card. I used 2 SD cards with no problems. I haven't attempted to quantify their performance, but their performance appears to be roughly on par with some highly rated SD cards. My main use for these cards is as boot images used in system restores.
Silicon Power Elite 64GB microSDXC 2-Pack Memory Card with Adapter for Nintendo Switch and Wyze Cam
57 Review
Smartphone Xiaomi Mi 8 Lite 6/128 GB, midnight black
70 Review
Memory card Samsung microSDXC 256 GB Class 10, V30, A2, UHS-I U3, R 130 MB/s, adapter to SD
50 Review
Smartphone ZTE Blade V10 Vita 2/32 GB, Dual nano SIM, graphite black
50 Review