What do the abbreviations A1 and A2 mean on SD cards?
SANDISK Micro SD Card 16 32 64 128 GB Class 10 100% ORIGINAL Fast Transfer Mini | eBay
What do A1 & A2 Ratings on SD and microSD Cards Mean?
GENUINE AUDI A1 A3 A6 Q3 SAT NAV NAVIGATION SD CARD EUROPE 2016 CARS 8X0919884J | eBay
Sandisk ultra Micro SD Karte A1 UHS I Class10 TF Karte Gopro telefon Speicher Karte und USB 3,0 kartenleser Video karte micro kart carte| | - AliExpress
Amazon.com: SanDisk 1TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T00-GN6MA : Electronics