The extreme speed of this powerful microSD memory card ensures fast transfers, high app performance, and high-quality recordings in 4K UHD format. The card supports 4K UHD videos, Full HD videos, and high-resolution photos, making it ideal for Android smartphones, action cameras, and drones. The SanDisk Extreme PRO microSDXC memory card reads up to 200 MB/s and writes up to 140 MB/s.