SanDisk Extreme Pro CFast 2.0 525Mb/s 128GB is a compact and durable flash memory card designed for use with digital cameras and DSLRs supporting the CFast 2.0 technology. It can also be used with the CFast 2.0 card reader. The accessory can read and write with blazing fast speeds and offers first class transfer rates. You can transfer files up to a staggering 525MB per second. It supports Video Performance Guarantee 130MB/s (VPG-130) which is ideal for storing professional 4K video/Ultra HD 2160p/Full HD 1080p captures. It can operate in temperature range of -4F (-20C) up to 158F (70C). It provides up to 525MB/s read speed and up to 450MB/s write speed. It also supports RescuePRO software to recover deleted media.