Model Number: Micro SDXC-C10-64GB Brand Name: RiDATA Key Specifications/Special Features: RIDATA microSD high capacity card (micro SDXC) is introduced to meet your demand for a better quality of lifeConforming to SD specification 2.0 version, RIDATA micro SDXC not only provides high-speed data transfer, but it is also compatible with most micro SDHC /SDHC portable devices in the marketSpeed: UHS-I/Class10Read up to 30 MB/s(*Based on RITEK internal test in USB 3.0 host The speed may vary due to host hardware, software and usage)Power requirements: 2.7-3.6VWarranty: depends on the warranty sticker on the packingCompatibility operating system: Windows XP/Vista/7/8/10 | Mac OS 10.x or higher | Linux 2.4xClass 10 64GB