SanDisk - Here's a breakdown of what the various symbols on a memory card refer to: 1. Maximum speed the card reads (transfers) files 2. Maximum speed the card writes (captures)
What do the symbols on your microSD cards mean? | Ever wondered what the little symbols on your SD cards mean? Let's break it down! ✔️ | By SanDisk | Facebook
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Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
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