Lexar Diamond Series Professional 256GB CFexpress Type-B Memory Card (2-Pack)
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In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more
Unmatched performance to capture smooth 8K RAW video
From field to post-production, experience the unmatched performance of the Lexar Professional CFexpress Type B Card DIAMOND Series. Designed to meet the demands of professional filmmakers and content creators, this card unleashes blazing-fast speeds of up to 1900MB/s read and 1700MB/s write, and a minimum sustained write speed of 1600MB/s to capture smooth RAW 4K, 6K, 8K, and beyond video with sustained performance.
Dramatically accelerate your workflow
The blazing-fast performance of the Lexar Professional CFexpress Type B Card DIAMOND Series allows you to capture and transfer content quickly and efficiently. And with an industry-leading read transfer speed up to 1900MB/s, you’ll quickly power through post-production and dramatically accelerate your workflow from start to finish.
Supports smooth 8K video performance
Featuring PCIe Gen 3×2, NVMe high-speed protocols, and a write speed of up to 1700MB/s, this card captures the highest quality RAW, ProRes, and 8K video with ease. It also meets the VPG400 specification for professional-quality video, meaning it’s guaranteed to capture video streams at a minimum guaranteed write speed of 400MB/s when used with compatible host devices and recording media.
Backwards-compatible with XQD cameras
For added versatility, Lexar Professional CFexpress Type B DIAMOND Series is backwards-compatible with select XQD cameras, enabling existing devices with next-generation performance.
Capture adventure with ultimate durability
The Lexar Professional CFexpress Type B Card DIAMOND Series is built with the rugged durability you need to capture even in the harshest of conditions. The cards are designed to be shock and vibration-proof and resistant to extreme temperatures. And, for added peace of mind, the card is backed by a Limited Lifetime Warranty.
Rigorously Tested
All Lexar products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability.
| Capacity | 256GB |
| Form Factor | CFexpress 2.0 Type B |
| Interface | PCIe 3.0x2 |
| Maximum Read | Write: Up to 1900MB/s read, 1700MB/s write speeds |
| Sustained Write Speed | 1600 MB/s |
| Operating Temperature | -10°C~70°C (14°F~158°F) |
| Storage Temperature | -25°C~85°C (-13°F~185°F) |
| Dimension (LxWxH) | 29.60 mm x 38.50 mm x 3.80 mm / 1.16in x 1.51in x 0.14in |
| Weight | 7.65g / 0.016lbs |
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.





