The PNY Elite-X Class 10 U3 V30 microSD Flash Memory Cards are the perfect solution by which to expand on-board memory of mobile devices such as smartphones, tablets, action cameras, drones, and more, allowing users to free up space to enjoy more digital content. The Elite-X microSD Flash Memory Cards are rated Class 10, U3, V30, with read speeds of up to 100MB/s, guaranteeing that users can not only quickly and easily store and share content between devices, but also engage in HD photography and 4K Ultra HD Videography by leveraging the U3 technology. What’s more, the Elite-X microSD Flash Memory Cards feature V30 Video Speed Class, ideal for 4K Ultra HD video at 4096x3072 format, allowing users to capture high quality content on their mobile devices. Rated A1, the PNY Elite-X is optimized for app performance, allows users to run apps directly from the microSD card, delivering faster app launch and performance than ever before. Additionally, the Elite-X microSD Flash Memory Cards are magnet proof, shock proof, temperature proof, waterproof and X-Ray proof. With its 100MB/s read speed, A1 app performance, and Class 10, U3, V30 speed class, these microSD cards are fast enough and durable enough for all of your digital needs.