I bought 3 of these to upgrade my kids Kindle Fire tablets as the 8GB that comes with the tablets (closer to 4GB usable) in really not enough for everything in practice (shame on the Kindle for selling them with so little storage!). All 3 memory cards worked upon arrival and they gave new life to tablets that were only marginally useful when only a few books and apps were installed. They're fast enough and seem reliable so far. Featured!
Kingston microSDXC 64GB Class 10, V10, A1, UHS-I U1, R 100MB/s Memory Card, SD Adapter, 1 pc, Black
45 Review
Silicon Power Elite 64GB microSDXC 2-Pack Memory Card with Adapter for Nintendo Switch and Wyze Cam
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💽 512GB Samsung Evo Plus Micro SDXC Memory Card
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Smartphone Xiaomi Mi 8 Lite 6/128 GB, midnight black
70 Review