Sony memory card CFexpress 640GB Type A Tough

A new generation of performance
Super-charge your professional video and photography workflows with Sony's CFexpress Type A memory cards—ideal for advanced cameras like the α7S III. The world's first1 CFexpress Type A cards, they deliver extraordinary speed, around twice that of the best SDXC cards, in a similarly compact body. With write speeds up to 700 MB/s2 and professional-level durability, Sony CFexpress Type A cards open up a wide range of new imaging possibilities.

• Ultra-high-speed data transfer at up to 800MB/s (read speed) for a more productive workflow
• Up to 700MB/s write speed ideal for shooting high-bitrate video with a7S III
• Compact body with enhanced toughness for shooting in challenging environments

Rugged. Reliable. Ready.
Partnered with professional equipment like the α7S III, CFexpress Type A memory cards are perfect for the unpredictability of sport and location shoots or the hazards of outdoor expeditions. They are designed for extended professional use in the most challenging environments—from snow-covered mountains to sand-blown deserts—so you can shoot, swap and store with total confidence.

Extraordinary response speed
Dramatically expand your photographic possibilities, with uncompressed continuous RAW shooting for fast-moving action such as motor sports and wildlife. Writing speeds of up to 700 MB/s2 far outperform even the best SDXC cards, ensuring ultra-fast camera buffer clearance for responsive, continuous shooting.

Ultra-efficient workflow
Dramatically accelerate your workflow with the optimized MRW-G2 card reader and ultra-fast read speeds of up to 800 MB/s2 for data transfer and backup. Work seamlessly with high-resolution photos and high-bitrate video, to turn projects around at the speed of your imagination.

Dependable videography
Sony CFexpress Type A cards are optimized for continuous, high-bandwidth data writing, making them ideal for professional high-bitrate video recording such as 4K 120p capture on cameras like the α7S III, where dependability is critical. For extra reassurance and video recording stability, they also carry the VPG (Video Performance Guarantee) 400.

Thanks to Sony's unique TOUGH card design, the CFexpress Type A cards offer over 10x greater bend resistance than standard CFexpress cards. Designed for absolute dependability, their rigidity is tested to 150 newtons to protect your card data during drops from up to 24.6 feet — 5 times that mandated by the CFexpress Type A standard.