Lexar Diamond Series Professional 256GB CFexpress 4.0 Type-B Memory Card
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Product highlights
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 CFexpress 4.0 speed to capture smooth 8K RAW video
Experience the PCle 4.0 advantage and capture stunning, seamless, cinema-quality 8K RAW video with write speeds up to 3400MB/s and dramatically expedite post-production with read speeds up to 3700MB/s. Equipped with 8-point protection against temperature, vibration, wear-out, dust (IP5X), drops, shocks, compression, and bends, the card also comes with data recovery software.
Superior Performance
PCle 4.0 technology delivers 3700MB/s max read, 3400MB/s max write, and 3200MB/s minimum sustained write speeds.
2x Faster Post-Production Workflow than CFexpress 2.0.
Unprecedented read speeds dramatically accelerate post-production, and you can pair it with the Lexar Professional Workflow CFexpress 4.0 Type B Card Reader to speed up your workflow to twice as fast as CFexpress 2.0.
Capture Cinema-Quality Video
Blazing-fast write speeds, temperature control technology, and a VPG400 rating ensure seamless capture of 8K RAW video.
Enhanced Endurance, Reliability, and Performance
Leveraging pSLC technology, these cards deliver a longer life span (up to 30000TBW), increased data reliability, lower power consumption, and the ability to store data for longer.
Durability Is Built In
This CFexpress card is also designed to be temperature-proof, vibration-resistant, 12,000x wear-out resistant, dust-proof (IP5X), 5m drop-proof, shock-resistant, bend-resistant, and 7x more compression-resistant than SD cards.
We've Got You Covered. Lexar Recovery Tool helps you recover accidentally deleted and formatted pictures or video files.
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.
| Flash Memory Type | CFexpress |
| Memory Storage Capacity | 256 GB |
| Compatible Devices | Computers |
| Additional Features | Superior PCle 4.0 performance delivers 3700MB/s max read, 3400MB/s max write, and 3200MB/s minimum sustained write speeds |
| Read Speed | 3400 MB/s |
| Media Speed | minimum 3200MB/s |
| Flash Memory Video Speed Class | V60 |
| Item Weight | 1.2 oz |
Shipping & Returns
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.
