The Digi Chip 64GB Micro-SD Class 10 memory card is a high speed memory card made using the highest quality Samsung memory chips. This memory card is fully compatible with any Nextbase in car Dash Cam listing in the title of this page. They are also UHS-1 spec which stands for Ultra High Speed meaning they are some of the fastest mobile memory cards on the market. Digi-Chip is our own brand and we offer a 2 year warranty on all Digi-Chip products.