Wirecutter claims that the Switch-branded one is currently the best price/performance wise: https://www.nytimes.com/wirecutter/reviews/best-microsd-card/ https:

Wirecutter claims that the Switch-branded one is currently the best price/performance wise: https://www.nytimes.com/wirecutter/reviews/best-microsd-card/ https://www.nytimes.com/wirecutter/reviews/best-microsd-card... They also warn that counterfeits are rampant.