Also Perfect for Your Action Camera & Drones San Disk Extreme micro SDXC cards are compatible with smartphones, tablets, action cameras & drones. Write Speeds of up to 60MB/s Capture fast-action photos or shoot 4K UHD video with write speeds of up to 60MB/s. The San Disk Extreme micro SDXC UHS-I cards let you shoot more & transfer even faster. Quick read speeds of up to 160MB/s save you time when transferring high-resolution images & 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 400GB, the San Disk Extreme micro SD UHS-I cards let you capture uninterrupted 4K UHD & Full HD video with its UHS Speed Class 3 (U3) & Video Speed Class 30 (V30) ratings. Easy File Recovery with Rescue PRO Deluxe Software The card comes with a Rescue PRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidently deleted (download required). Durable Design for Use in Extreme Environments San Disk Extreme micro SDXC UHS-I cards are shockproof, temperature-proof, waterproof, & X-ray proof, so you can enjoy your adventures without worrying about the durability of your memory card. Specifications Transfer speeds:128GB-400GB: Up to 160MB/s read & 90MB/s write. 64GB: Up to 160MB/s read & 60MB/s write