Where top speeds meet high capacity SanDisk Extreme PRO microSDHC/microSDXC UHS-I memory cards now come with up to 128GB of storage for uncompromising smartphone| tablet and camera performance. Capture 4K Ultra HD and Full HD videos and enjoy transfer speeds of up to 100MB/s so you can shoot like a pro and still experience world-class responsiveness from your phone. Class 10| UHS-I Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings mean your videos can meet today's highest resolution standards. Pro performance of up to 100MB/s read and 90MB/s write| for faster transfer and capture For AndroidTM smartphones and tablets and interchangeable-lens cameras. Records 4K UHD and Full HD video. A1-rated for faster app performance. Shock-| temperature-| water-| and X-ray proof. Save time transferring content Quick read speeds of up to 170MB/s8 let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes. Write speeds of up to 90MB/S Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s.The SanDisk Extreme PRO microSDXC??? UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD video Ideal for recording outdoor adventures| weekend trips| or sporting events without skipping frames. With up to 1TB| the SanDisk Extreme?? PRO microSD??? UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. Load apps faster with A2 Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme PRO microSD card?€?s A25 Specification. Durable design for use in extreme environments SanDisk Extreme PRO microSDHC??? and microSDXC??? UHS-I Cards are shockproof| temperature-proof| waterproof| and X-ray-proof| so you can enjoy your adventures without worrying about the durability of your memory card. Compatible with MobileMate?? USB 3.0 reader