SanDisk Extreme 128 GB microSDXC Memory Card + SD Adapter with A2 App Performance + Rescue Pro Deluxe, Up to 160 MB/s, Class 10, UHS-I, U3, V30 , Red/Gold : Amazon.co.uk: Computers
Application Performance Class | SD Association
A1 vs A2 SanDisk MicroSD Card: What's The Difference? - MyMemory Blog
Are high-speed/high-capacity (A1, A2, U3) microSD cards worth it for Android? With Black Friday and Cyber Monday deals coming up, I (re)tested 5 of those and 2 older ones in 3 quite