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
SanDisk Extreme - Flash memory card (microSDXC to SD adapter included) - 64 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I | Dell USA
A1 vs A2 SanDisk MicroSD Card: What's The Difference? - MyMemory Blog
A1 vs A2 SD Card Ratings Explained (2023)
The newest, fastest "app class" microSD cards are still not very good for apps