A1 vs A2 SanDisk MicroSD Card: What's The Difference? - MyMemory Blog
SanDisk 128GB Extreme A2 microSDXC Card C10 UHS-I U3 V30 Up To 190MB/s for GoPro | eBay
SanDisk Extreme Plus UHS-I V30 A2 128GB microSDXC Memory Card Review with speed tests and benchmarks - Camera Memory Speed Comparison & Performance tests for SD and CF cards
SanDisk 128GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-128G-GN6MA