SanDisk Extreme PRO microSDXC UHS-I Memory Card Get extreme speeds for fast transfer, app performance, and 4K UHD. Ideal for your Android smartphone, action cameras or drones, this high-performance microSDXC 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/s1. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience2. Also Perfect for Your Action Camera and Drones SanDisk Extreme PRO microSDXC cards are compatible with smartphones, tablets, action cameras and drones. Write Speeds of up to 90MB/s1 Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s. The SanDisk Extreme PRO microSDXC UHS-I cards let you shoot more and transfer even faster. Quick read speeds of up to 170MB/s1 save you time when transferring high-resolution images and 4K UHD videos. Great for Capturing 4K UHD Video Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 256GB*, 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. Easy File Recovery with RescuePRO Deluxe Software The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required). Durable Design for Use in Extreme Environments SanDisk Extreme PRO 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. Not all devices support microSDXC memory card formats. Check with your device manufacturer for more details. * 1GB=1,000,000,000 bytes. Actual user storage less. 1 Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. 1MB = 1,000,000 bytes. 2 A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors.