The Digi-Chip 64GB Micro SD memory cards are ideal for any device that uses the Micro SD memory card format such as tablet pcs, smartphones, dash cams, action cams, laptops, digital cameras and security cameras. This memory card is fully compatible with the following Samsung Tablets – Samsung Tab A9, A9+, Tab S9 FE Tablet PCs. They are high speed Class 10 memory cards with fast data transfer read/write speeds. The full specs are below. All of our memory cards are made using Samsung memory chips and we offer a lifetime warranty on them. These memory cards are SD-3C licenced products. We also supply a full sized SD adaptor with our Digi Chip Micro-SD memory cards to allow you to use the memory card in a full sized SD device if desired. Digi-Chip Micro-SD memory card specifications: 64GB Micro SDXC: Class 10 UHS-1 U3 App speed A1, Video speed V30, Read speed 90mb/s, Write speed 50mb/s 64GB is compatible with all Samsung Tab A9, A9+, Tab S9 FE Tablet PCs Pack includes: Digi-Chip Micro SD memory card, Full sized SD adaptor, Plastic memory card case