- SANDISK 400GB Extreme PRO CFexpress 4.0 Type B
Trusted & Verified
SANDISK 400GB Extreme PRO CFexpress 4.0 Type B, Up to 3700 MB/s Read Speeds
- Provides 400GB of storage for extended photography and cinema projects
- Reaches read speeds up to 3700 MB/s with compatible equipment
- Delivers write speeds up to 3500 MB/s for demanding capture workflows
- Maintains a minimum sustained write speed of 3100 MB/s
- Supports recording up to 12K with compatible cameras and settings
- Features VPG1600 support for sustained video performance
- Withstands drops up to 5 meters and bending forces up to 70 newtons
- Uses SmartIdle technology to reduce power use while the camera is idle
The SanDisk 400GB Extreme PRO CFexpress 4.0 Type B Memory Card combines expansive capacity with the sustained performance required for demanding cinema and photography workflows. PCIe Gen4 technology delivers read speeds up to 3700 MB/s and write speeds up to 3500 MB/s, helping compatible cameras handle high data rate capture and move large files efficiently.
Consistent Performance for Extended Recording
A 3100 MB/s minimum sustained write speed helps maintain stable performance during long recording sessions. VPG1600 support provides the sustained throughput needed for demanding video capture, while compatibility with resolutions up to 12K gives professional creators room to work with detailed footage when supported by their camera and recording settings.
Built for Professional Production
The durable enclosure withstands drops up to 5 meters and resists bending forces up to 70 newtons. Intelligent SmartIdle technology places the card into a lower power state when a compatible camera becomes idle, supporting efficient operation during demanding shooting sessions.
With 400GB of storage, this CFexpress Type B card reduces the need for frequent media changes during extended shoots. It works with compatible full-frame mirrorless cameras, cinema cameras, select DSLR cameras, professional camcorders, and CFexpress Type B card readers.
Storage
| Capacity | 400GB |
| Form Factor | CFexpress Type B |
| Interface | PCIe Gen4 |
Performance
| Sequential Read Speed | Up to 3700 MB/s |
| Sequential Write Speed | Up to 3500 MB/s |
| Minimum Sustained Write Speed | 3100 MB/s |
| Video Performance Guarantee | VPG1600 |
| Supported Video Resolution | Up to 12K with compatible equipment |
Durability
| Drop Protection | Up to 5 meters |
| Bend Resistance | Up to 70 newtons |
| Operating Temperature | 32 degrees F to 113 degrees F |
| Storage Temperature | Minus 4 degrees F to 176 degrees F |
Compatibility
| Compatible Devices | Full-frame mirrorless cameras, cinema cameras, select DSLR cameras, professional camcorders, and CFexpress Type B card readers |
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Tab: Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
