The American company, SanDisk specialized in memory storage, has revealed its new revolutionary product, the MicroSD card with a capacity of 256 Go that will be commercialized from the third quarter of 2016. This new card equals Samsung’s unveiled in May, but speed wise, SanDisk register a speed of 100Mo/s which passes the Korean giant which is at 95Mo/s. This extreme rapidity allows SanDisk cards to offer users storage space for their videos in 4k quality and image recording of 14 hours.