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SanDisk Extreme PRO CFexpress 4.0 Type-B Memory Card - 400GB - 3700MB/s(R) / 3500MB/s(W) - SDCFEB-400G-GN4NN
- UNPARALLELED STORAGE CAPACITY - Choose from 128GB up to an expansive 4TB to accommodate extensive professional photo and video projects, ensuring ample space for all your critical data.
- SUPERIOR READ/WRITE SPEEDS - Experience lightning-fast data transfers with up to 3700 MB/s read and 3500 MB/s write speeds, optimizing workflow efficiency for demanding applications.
- CONSISTENT PERFORMANCE - Benefit from a minimum sustained write speed of up to 3100 MB/s (for 2TB/4TB models), guaranteeing reliable recording for high-resolution video capture without drops.
- ADVANCED COMPATIBILITY - Designed with a CFexpress 4.0 Type-B form factor and PCIe Gen4 interface, ensuring seamless integration and optimal performance with compatible devices.
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Overview
Specs
Reviews
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 high 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 Technology Push 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 Performance Minimum sustained write speeds of 3100 MB/s (2TB-4TB models) enable consistent performance for long recording sessions, helping prevent dropped frames and maintaining smooth, seamless capture. Video performance guarantee (VPG) enabled VPG1600 enabled for 1TB-4TB, and VPG800 and VPG400 for 128GB-400GB for a 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 5-meters and resists bends up to 70 newtons, so your story stays resilient, wherever it takes you.
Incredible Sustained Write Performance Minimum sustained write speeds of 3100 MB/s (2TB-4TB models) enable consistent performance for long recording sessions, helping prevent dropped frames and maintaining smooth, seamless capture. Video performance guarantee (VPG) enabled VPG1600 enabled for 1TB-4TB, and VPG800 and VPG400 for 128GB-400GB for a 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 5-meters and resists bends up to 70 newtons, so your story stays resilient, wherever it takes you.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-866-726-3475
- Support Website
- View other products from SanDisk
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The SanDisk Extreme PRO CFexpress 4.0 Type B is a 400GB memory card with read speeds up to 3700MB/s and write speeds up to 3500MB/s, suited to photographers and videographers using compatible CFexpress Type B equipment for demanding capture and fast file transfers.
Recommended For
- Video crews recording high-bitrate footage on a compatible CFexpress Type B camera: SanDisk lists support for video up to 12K on compatible devices and VPG800/VPG400 ratings for the 400GB model. Check the camera’s supported recording modes before relying on a particular format or bitrate.
- Hybrid photo-and-video shooters using a CFexpress Type B camera who want one card for RAW bursts and video, plus faster transfers when paired with a compatible CFexpress 4.0 reader and host.
- Photographers and small production teams who prefer a single 400GB card for a shoot and want to reduce card swaps, while staying within a Type B camera’s documented compatibility and recording limits.
- Editors moving large photo or video files from location to workstation who have a compatible CFexpress 4.0 reader and computer interface; the card’s headline transfer speeds depend on the host setup.
Real-World Use Scenarios
- During sports, wildlife, or event photography, shoot extended RAW bursts to capture a fast sequence; a CFexpress Type B card can help the camera clear its buffer and be ready for the next burst sooner, depending on the camera.
- When recording high-resolution video on a compatible camera, use the card for demanding capture modes; the 400GB model is VPG800-enabled, but supported resolution, frame rate, and recording time depend on the camera and settings.
- For a long photo or video assignment, keep more footage and image files on one card before swapping media; 400GB can reduce interruptions, though how long it lasts depends on file size and recording settings.
- After a shoot, offload large photo and video files through a compatible high-speed CFexpress reader to shorten transfer and ingest time; the reader, computer connection, and host device can limit the actual speed.
- When using the card in a CFexpress Type B camera for 4K video or continuous shooting, expect performance to depend on the camera’s recording limits; the card’s headline interface speeds do not make an unsupported mode available.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Professional photo and video capture with a compatible CFexpress Type B camera |
| Capacity | 400GB for photo and video storage |
| Interface And Form Factor | CFexpress 4.0 Type B memory card |
| Read Write Performance | Up to 3700MB/s read and 3500MB/s write |
| Durability And Portability | Drop-proof and lightweight |
| Model Identifiers | SanDisk; model and part number SDCFEB-400G-GN4NN |