Designed to provide users with a high-speed data transfer solution, the 64GB SxS PRO+ E Series Memory Card from Sony excels within postproduction, broadcasting, and other professional environments where fast read and write speeds are important. With a maximum read speed of 3.5 Gb/s (440 MB/s), a maximum write speed of 3.2 Gb/s (400 MB/s), and a minimum write speed of 1.3 Gb/s (162.5 MB/s), this card delivers reduced transfer times that help contribute to an efficient 4K workflow. Built with an Express Card/34 and PCI Express 2.0 interface, durability is further enhanced with Sony's Memory Media Utility, which lets you manage SxS memory cards with features such as the library function, remaining media lifetime/capacity indicator, simultaneous data backup to three locations, and quick/full formatting.