New standard for compact storage.CFexpress Type A cards represent a new standard for high-performance storage. Despite being smaller than conventional SD cards, their PCIe Gen3 interface offers ultra-fast data transfer are an ideal storage medium for compact cameras for high bit-rate photo and video.High-speed performance.Sony CFexpress Type A memory cards are designed for professional photographers and videographers and enthusiasts who want to optimise their workflow with unrivalled speed and reliability. Extremely fast performance (up to 800MB/s read and 700MB/s write¹), coupled with a durable, compact body, allows you to get the most out of the latest high-end cameras.Truly TOUGH.Thanks to Sony's unique TOUGH card design, our CFexpress Type A cards offer 10 times the flexing resistance of standard CFexpress Type A cards. Designed for absolute reliability, the resin body is 5 times more shock resistant than standard CFexpress Type A cards and provides IP57 protection against dust and water. Heat-dispersing materials ensure high-speed data transfer, as well as resistance to X-rays, UV and electrostatic radiation.Improve speed and productivity.CFexpress Type A memory cards open up a world of opportunities. Compatible with high resolution and speed in a compact, durable format, they are perfect for speeding up workflows and improving productivity, leaving more time for creative work.Fast response photography.Expand photographic possibilities with continuous shooting in uncompressed RAW for action scenes such as motor sports and wildlife. Write speeds of up to 700MB/s ensure ultra-fast buffered storage for continuous, responsive shooting.Reliable video shooting.Sony's CFexpress Type A cards, optimised for high-bandwidth continuous data writing, are ideal for high-bit-rate professional video shooting, for example in 4K 120p on cameras and camcorders such as the FX6, FX3, a1 and a7S III,.