Netac Micro SD Card 64GB, Memory Card, A1, U3, C10, V30, 4K, 667X, UHS-I, Speeds up to 100/30 MB/s (R/W), for Phone, Camcorder, Switch, GoPro, Tablet

High Transfer Speed: Micro SDXC interface supports UHS-I cards, speed class U3/V30. Read speed up to 100MB/s, write speed up to 30MB/s (according to internal testing; performance may be lower depending on the host device, interface, usage conditions, and other factors), exFAT format. Versatile: The Micro SD card can be used for various types of devices, including smartphones, tablets, drones, Android tablets, tablet PCs, action cameras, Nintendo Switch, DSLR and 4K or Full HD camcorders. Designed for longevity: The memory card is shockproof, water-resistant, temperature-resistant, and resistant to X-rays and magnets. You don't have to worry about the Micro SD card stopping working after you pass through the X-ray body scanners. Faster load applications with A1-rated performance: A1-rated performance translates to 1500 IOPS read and 500 IOPS write. According to internal testing, results may vary depending on the host device, application type, and other factors. - The high-performance premium memory cards are extensively tested in the factory to ensure flawless quality.