Introducing the SANDISK Extreme PRO CFexpress 4.0 Type B card. Enabling seamless capture of 4K, 6K, 8K, and even 12K footage—so you're ready for every critical moment. Its large capacity gives you the freedom to create without limits, helping ensure key details of your vision are preserved. This is where speed meets storage, and your masterpiece begins.Boundary-Pushing TechnologyPush past limits with PCIe Gen4 technology that enables high read speeds up to 3700 MB/s and write speeds up to 3500 MB/s to capture in 4K, 6K, 8K, and even 12K resolution.Incredible Sustained Write PerformanceMinimum sustained write speeds of 3100 MB/s for 2TB-4TB models enable consistent performance for long recording sessions, helping prevent dropped frames and maintaining smooth, seamless capture.Video Performance Guarantee (VPG) EnabledVPG1600 is enabled for 1TB-4TB and VPG800 and VPG400 for 128GB-400GB for minimum sustained speeds required to capture flawless footage.SmartIdle Mode for Demanding SessionsShoot 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 SetFrom controlled studios to unpredictable locations, this card helps protect your media. Built to endure the realities of production, it withstands drops up to 5 meters and resists bends up to 70 newtons, so your story stays resilient wherever it takes you.Enduring Support for Enduring StoriesEvery card is backed by a lifetime limited warranty because the tools you trust should be as enduring as the media you capture.