OWC 256GB Atlas Pro CFexpress 4.0 Type B Memory Card

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  • Pro speed: up to 3000MB/s write and up to 3650MB/s read real-world speeds for the most advanced uses cases including fast burst RAW image sequences and high bitrate video recording up to 6K
  • Supportive: fully compatible with a wide variety of DSLR and mirrorless cameras
  • Compliant: Fully compliant up to CFexpress Type B 4.0 specification and meets Type B 1.0 and 2.0 specifications
  • Effective: with XQD format cameras that have been updated to support CFexpress Type B
  • Tough: impact, bend, shock, ESD, UV ray, and x-ray resistant


Our Price: $169.99

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Pickup now at Fairfield, NJ

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Awesome Professional Performance Made Affordable

When you want a CFexpress Type B memory card that checks all the boxes for all the most common professional workflow needs, Atlas Pro CFexpress is your cost-effective choice. You’ll enjoy awesome performance for the most demanding photo projects including action sports and wildlife photos. Capture up to 6K high bitrate video. Whether you’re a photographer using a firmware updated XQD camera and only need modest storage or are a filmmaker using the latest camera, there’s an Atlas Pro CFexpress card in the optimal capacity for your specific need.

Shoot, Store, and Swap… Anywhere

Atlas Pro CFexpress cards can shrug off the toughest environmental challenges, including x-rays, UV rays, shocks, drops, and extreme temperatures. Go ahead…shoot, store, and swap with total peace of mind. Atlas Pro CFexpress cards have your work – and your back – well protected.

Innergize Your Workflow with Highest Performance and Reliability

OWC Innergize™ is the first stage of the Capture to Completion™ ecosystem of OWC products designed to seamlessly propel professional photographers, videographers, and content creators to the highest level of workflow performance and reliability. This OWC custom-designed app is a complete health, performance, and field upgrade management tool when using OWC Atlas memory cards with OWC Atlas readers and reader equipped products.

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Physical Specifications
Dimensions: Height: 0.4 cm (0.1 in) Length: 3.9 cm (1.5 in) Width: 3.0 cm (1.2 in)
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Brand: OWC
Memory Card Specs
Max. Write Speed: Up to 3000 MB/s
Storage Capacity: 256GB
Storage Capacity:
This is the maximum storage size of a memory card.

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Memory Card Type: CFExpress Type-B
Memory Card Type:
The type or brand of the memory card. Common types of memory cards are SD, Memory Stick, SDHC, SDXC, Micro SD, and Compact Flash.

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Max. Read Speed: Up to 3650 MB/s

In The Box

  • (1) OWC Atlas Pro CFexpress Type B 4.0 Memory Card
  • (1) Jewel Case

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