This waterproof shockproof x ray proof sdxc memory card is designed to record full hd 4k raw footage without corruption or dropped frames with a write speed of over 100mbs and read speeds of up to 285mbs this card will ensure that data is written swiftly so that you never miss a moment and is ideal for fast or burst shooting error correction and wear levelling are built in to help protect your files and ensure a long lifespan