FAST ENOUGH TO KEEP UP WITH THE ACTIONN/AGet extreme speeds for fast transfer app performance and 4K UHD.2 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 PLUS microSDXC memory card reads up to 170MB/s and writes up to 90MB/s. Plus its A2-rated so you can get fast application performance for an exceptional smartphone experience.N/AN/ASave Time Transferring ContentN/AQuick read speeds of up to 170MB/s let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.N/AN/AWrite Speeds of up to 90MB/sN/ACapture fast-action photos or shoot 4K UHD video2 with write speeds of up to 90MB/s. The SanDisk Extreme PLUS microSDXC UHS-I Card lets you shoot more and faster.N/AN/AGreat for Capturing 4K UHD VideoN/AIdeal for recording outdoor adventures weekend trips or sporting events without skipping frames. With up to 400GB1 the SanDisk Extreme PLUS 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.N/AN/ALOAD APPS FASTER WITH A2N/AGet faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme PLUS microSD cards A2 Specification.N/AN/ADurable Design for Use in Extreme EnvironmentsN/ASanDisk Extreme PLUS microSDHC and microSDXC UHS-I Cards are shockproof temperature-proof waterproof and X-ray-proof4 so you can enjoy your adventures without worrying about the durability of your memory card.N/AN/ACompatible with MobileMate USB 3.0 readerN/AUse the MobileMate USB 3.0 microSD Card Reader with transfer speeds of up to 170MB/s so you can move big files fast move a lot of files fast or just make frequent file transfers that much quicker.