Silicon Power microSDXC Express Card 512GB Read up to 880MB/s Up to 700MB/s Write Compatible w/Switch 2 (Adapter NOT Included) Model SP512GBSTEI31V10

Color micro SDXC Express 512GB Special Feature Dust Proof Read Speed 880 Megabytes Per Second Item Weight 0.3 Grams Warranty Type Limited Write Speed 700 megabytes per second Hardware Interface micro SDXC Secure Digital Association Speed Class Class 10 Manufacturer SP Silicon Power