With the CEA-G Series TOUGH 640GB CFexpress Type-A Memory Card, experience a new level of performance and durability in your professional photography and videography workflows. This high-capacity memory card is designed to maximize the capabilities of advanced cameras like the FX6, FX3, a1, a7S III, and a7 IV, making it an essential tool for creators seeking to elevate their craft.The CFexpress Type-A standard was developed to equip compact cameras with ultra-high-speed performance, essential for cutting-edge video creation. With write speeds of up to 700 MB/s, this memory card outperforms even the best SDXC cards, ensuring ultra-fast camera buffer clearance for responsive continuous shooting. This extraordinary response speed dramatically expands your photographic possibilities, allowing for uncompressed continuous RAW shooting for fast-moving action such as motor sports and wildlife.For videographers, the CEA-G Series TOUGH 640GB CFexpress Type-A Memory Card is optimized for continuous, high-bandwidth data writing, making it ideal for professional high-bitrate video recording, such as 4K 120p capture. For added reassurance and video recording stability, it also carries the VPG (Video Performance Guarantee) 400.This rugged and reliable memory card is designed to withstand the most challenging environments, from snow-covered mountains to sand-blown deserts. Thanks to Sony's unique TOUGH card design, it offers over 10x greater bend resistance than standard CFexpress cards and can protect your card data during drops from up to 7.5 meters. It also offers IP57 dust and water protection, ensuring your data is safe even in extreme conditions.The CEA-G Series TOUGH 640GB CFexpress Type-A Memory Card also features ultra-fast read speeds of up to 800 MB/s, dramatically accelerating your workflow for data transfer and backup. Work seamlessly with high-resolution photos and high-bitrate video, turning projects around at the speed of your imagination.In addition, this memory card comes with Sony's Media Scan Utility and downloadable rescue software, providing you with tools to monitor the condition of your card and recover accidentally deleted files or corrupted photos and videos.In summary, the CEA-G Series TOUGH 640GB CFexpress Type-A Memory Card is not just a storage device, but a powerful tool that enhances your professional video and photography workflows, expands your creative possibilities, and ensures your data's safety in even the toughest conditions.