Get extreme speeds for fast transfer, app performance, and 4K UHD. Ideal for your Android smartphone, action cameras or drones, this high-performance microSD card does 4K UHD video recording, Full HD video and high-resolution photos. The super-fast SanDisk Extreme PRO microSDXC memory card reads up to 200MB/s and writes up to 140MB/s. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience. Capture fast-action photos or shoot 4K UHD video with write speeds of up to 140MB/s. The SanDisk Extreme PRO microSDXC UHS-I cards let you shoot more and transfer even faster. Quick read speeds of up to 200MB/s save you time when transferring high-resolution images and 4K UHD videos. Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. The SanDisk Extreme PRO microSDXC UHS-I cards let you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.