The SanDisk 400GB Extreme PRO CFexpress 4.0 Type B Memory Card delivers the speed and sustained performance required for demanding professional photo and cinema workflows. Combining a 400GB storage capacity with the high-bandwidth PCIe 4.0 interface, this card is built for creators working with high-resolution video, RAW photography, and rapid continuous shooting.
Performance reaches up to 3500 MB/s read speeds and 3100 MB/s write speeds, helping accelerate large-file transfers while keeping pace with data-intensive camera formats. Sustained write speeds of up to 900 MB/s provide the consistent recording performance needed for capturing 12K, 8K, 6K, and 4K video, as well as RAW and JPEG stills and high-speed continuous shutter bursts.
Support for both VPG-800 and VPG-400 standards provides additional confidence during professional video recording. These certifications guarantee minimum sustained write speeds of 800 MB/s and 400 MB/s, respectively, helping maintain stable recording performance during demanding high-resolution and high-bitrate productions.
Designed for professional use in the field, the Extreme PRO card features bend resistance up to 70N and can withstand drops from up to 16.4'. It is also designed to operate within temperatures ranging from 32 to 113°F, providing added durability when working across changing production environments.
With its combination of 400GB capacity, PCIe 4.0 performance, 3500 MB/s reads, 3100 MB/s writes, 900 MB/s sustained writes, and VPG-800/VPG-400 certification, the SanDisk Extreme PRO CFexpress 4.0 Type B Memory Card is a high-performance storage solution for professional photographers and filmmakers working with today's demanding camera systems.
Boundary-Pushing Technology
Push past limits with PCIe 4.0 technology that enables high read speeds of up to 3700 MB/s and write speeds of up to 3500 MB/s to capture in 4K, 6K, 8K, and even 12K resolutions.
Incredible Sustained Write Performance
Minimum sustained write speeds of 900 MB/s enable consistent performance for long recording sessions, helping prevent dropped frames and maintaining smooth, seamless capture.
Video Performance Guarantee (VPG) Enabled
This card supports the VPG-400 and VPG-800 standards, for the minimum sustained write speeds required to capture flawless footage.
SmartIdle Mode for Demanding Sessions
Shoot longer with efficiency on your side. With SmartIdle technology, your card is designed to help prevent overheating by intelligently entering a low-power mode whenever your compatible camera is idle.
Built Rugged for Your Set
From controlled studios to unpredictable locations, this card helps protect your media. Built to endure the realities of production, it withstands drops up to 16.4' and resists bends up to 70N, so your story stays resilient, wherever it takes you