What do the abbreviations A1 and A2 mean on SD cards?
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5 Best MicroSD Cards 2022 | The Strategist
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SanDisk 64GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-064G-GN6MA
Hyundai 32GB microSDHC UHS-I Memory Card with Adapter, 90MB/s (U3), 4K – Hyundai Technology
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A1 vs A2 SanDisk MicroSD Card: What's The Difference? - MyMemory Blog
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Gigastone 256GB Micro SD Card, Gaming Plus, Nintendo-Switch Compatible MicroSDXC Memory Card, 100MB/s, 4K Video Recording, Action Camera, Wyze, GoPro, Dash Cam, Security Camera, UHS-I A1 U3 V30 - Newegg.com
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