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OWC Atlas Ultra CFexpress
High-performance, highest quality memory card for the most demanding video recording uses of professional filmmakers and continuous burst mode shooting by advanced photographers.
Up to Guaranteed Minimum
1500
MB/s
Sustained Write Speed
Compatible with
Cinema
Cameras
Up to
8K
RAW
Video Recording
Ultimate Continuous
Burst
Photo Shoots
OWC Atlas Pro CFexpress
Cost-effective, highest quality memory card for the most demanding needs of professional photographers and the most common use cases of professional filmmakers
OWC Atlas Pro CFexpress
Cost-effective, highest quality memory card for the most demanding needs of professional photographers and the most common use cases of professional filmmakers
Up to
1500
MB/s
Write Speed
Compatible with
Pro
Cameras
Up to
6k
RAW
High-Bitrate Video
Fast
Burst
Photo Shoots
Up to
1500
MB/s
Write Speed
Compatible with
Pro
Cameras
Up to
6k
RAW
High-Bitrate Video
Fast
Burst
Photo Shoots
The Fastest, Most Reliable CFexpress Card
When you need the fastest, most reliable CFexpress card, the Atlas Ultra CFexpress is ready to take you to the edge. With incredibly high minimum sustained write speeds up to 1500MB/s, this is the perfect media card for pro filmmakers or extreme action photographers to unleash their cameras capabilities.
Professional filmmakers can capture amazingly life-like 8K RAW video in slow-motion with cinema cameras like the Nikon Z9, Canon R5C, and RED V-Raptor. As a testament to its quality, the Atlas Ultra CFexpress is one of only several media cards that meets RED Digital Cinema’s stringent test standards and has been officially approved for use with their RED V-Raptor Cinema camera.
Compatibility You Can Count On
recommended
compatible
compatible, but not at highest resolution settings
Capacity
256GB - 512GB
Generation
CFexpress 4.0
Max sequential read
3650MB/s
Max sequential write
3000MB/s
Min sustained write
800MB/s
325GB - 650GB
1.0TB - 2.0TB
CFexpress 2.0
CFexpress 4.0
1700MB/s
3650MB/s
1500MB/s
3000MB/s
1300MB/s
1500MB/s
Blackmagic Pyxis 6k
Blackmagic Cinema 6k
Canon C300 Mark III
Canon C400
Canon C500 Mark II
Canon 1DX Mark III
Canon EOS R1
Canon EOS R3
Canon EOS R5 Mark II
Canon EOS R5
Canon EOS R5C
Fujifilm X-H2 / X-H2S
Fujifilm GFX100 II
Leica SL3
Nikon Z9
Nikon Z8
Nikon Z6 III
Nikon Z6 II / Z7 II
Nikon Z6 / Z7
Nikon D500
Nikon D850
Nikon D5
Nikon D6
Panasonic GH6
Panasonic GH7
Panasonic S1 / S1R
PhaseOne XF IQ4
PhaseOne XC IQ4
PhaseOne P5
RED KOMODO-X
RED V-RAPTOR / V-RAPTOR XL
RED V-RAPTOR [X] / V-RAPTOR XL [X]
Sony Burano
**With Sony Burano, Card is fully compatible, but camera will report card as "unsupported media."
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 intermediate 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.
Compatibility You Can Count On
recommended
compatible
compatible, but not at highest resolution settings
Capacity
128GB
256GB
512GB - 2.0TB
Max sequential read
1700
MB/s
1700
MB/s
1700
MB/s
Max sequential write
1400
MB/s
1400
MB/s
1500
MB/s
Min sustained write
140
MB/s
300
MB/s
400
MB/s
165GB -
650GB
1700MB/s
1500MB/s
1300MB/s
Canon C300 Mark III
Canon C500 Mark II
Canon 1DX Mark III
Canon EOS
R3
Canon EOS
R5
Canon EOS
R5C
DJI Ronin 4D Cinema 6K
(325GB, 650GB cards)
Fujifilm X-H2
Fujifilm X-H2S
Nikon Z9
Nikon
Z6 / Z7
Nikon Z6 II / Z7 II
Nikon D500
Nikon D850
Nikon D5
Nikon D6
Panasonic GH6
Panasonic S1 / S1R
PhaseOne XF IQ4
RED V-Raptor
(325GB, 650GB cards)
RED V-Raptor XL
(325GB, 650GB cards)
Quality In = Quality Output
Thanks to an extremely thorough quality control process, you can work fearlessly knowing that your Atlas Ultra CFexpress card will flawlessly deliver the speed and data integrity you need when you only have one chance to capture the moment. Quality in, quality output. The Atlas Ultra CFexpress is the difference-maker for your high-end workflows and maximum camera setting uses.
Ultra-Speed
Up to 3000MB/s write and up to 3650MB/s read real-world speeds for the most advanced use cases including fast burst RAW image sequences and high-bitrate video recording up to 8K1
Dependable
Delivers up to 1500MB/s minimum sustained write speed
Compatible
Fully compatible with a wide variety of DSLR, mirrorless, and cinema cameras
Compliant
Fully compliant up to CFexpress 4.0 Type B specification and meets CFexpress 1.0 and 2.0 specifications
Tough
Impact, bend, shock, ESD, UV ray, and x-ray resistant
Worry-free
3 Year OWC Limited Warranty
Shoot, Store, and Swap… Anywhere
Atlas Ultra 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 Ultra CFexpress cards have your work – and your back – well protected.
Who is it for?
- Advanced action sports photographers
- Advanced outdoor/wildlife photographers
- Professional video content creators
- Film production companies
- Feature film studios
What is it for?
- Capturing a snowboarder doing an aerial trick
- Capturing a loon landing on a lake
- Branded, huge following influencers needing to create enhanced, professional-looking content for their channels
- ProductCapturing highest quality footage for a blockbuster movie photo shoots
Truth in Numbers
Truth in Numbers
Up to
3000
MB/s
Write Speed
Up to
3650
MB/s
Read Speed
Up to
800
MB/s
Sustained Write Speed
Big theoretical performance numbers are certainly eye-catchers, but they are misleading when your workflow requires real-world speed. That’s why we take the extra time to run OWC flash storage solutions through intensive performance testing, and we share our test setup and parameters. Truthfully listing Atlas Pro CFexpress cards for reliable peak performance up to 3000MB/s write, 3650MB/s read, and up to 800MB/s sustained write speed defines our commitment to the “OWC Difference,” which ensures these CFexpress Type B cards will deliver the performance you are counting on
Maximum Sequential and Sustained Read/Write Performances delivered by OWC Atlas Ultra CFexpress 4.0 Cards
Details matter when it comes to making an investment into a memory card for your camera. That is why OWC Atlas Ultra CFexpress 4.0 cards leverage the CFA 4.0 specification that is backward compatible with CFA 2.0 (i.e. PCIe Gen3) cameras and readers of today, and forward compatible with CFA 4.0 (i.e. PCIe Gen4) cameras and readers of the future delivering the highest performance that you deserve.OWC Atlas Ultra CFexpress Memory Card + OWC Atlas FXR Reader - Speed test screenshots
Over 3700MB/s and 3100MB/s sequential read and write and 3300MB/s and 1500MB/s sustained read and write performance from a 1TB Atlas Ultra CFexpress 4.0 card measured on a Windows 11 computer with AMD Ryzen 9 processor mounted on a Gigabyte Technology x570 Aorus Master motherboard with 32GB of RAM.
OWC, Trusted by Pros & Enthusiasts the World Over
We build our hardware to the highest standards of reliability and performance. Because 100% reliability is always the goal, we rigorously quality test and back our hardware with a 3 Year OWC Limited Warranty and award-winning customer support.
Learn More
- Up to 3000MB/s write / up to 3650MB/s read peak performance was observed based on testing OWC Atlas Ultra CFexpress cards in an Ableconn PEX-CF106 Adapter Card in a Gigabyte Aorus Master X570 motherboard with an AMD Ryzen 9 5950X 4.9GHz CPU and 32GB RAM, in Windows 10 Pro using Crystal Disk Mark (1GB file size). Sustained write speeds up to 1500MB/s were observed. Performance will vary depending on host hardware, software, usage, and Atlas Ultra CFexpress card used.
OWC, Trusted by Pros & Enthusiasts the World Over
We build our hardware to the highest standards of reliability and performance. Because 100% reliability is always the goal, we rigorously quality test and back our hardware with a 3 Year OWC Limited Warranty and award-winning customer support.
Learn More- Up to 1500MB/s write / up to 1700MB/s read peak performance was observed based on testing OWC Atlas Pro CFexpress cards in an Ableconn PEX-CF106 PCI Express 3.0 x4 Host Adapter Card in a Gigabyte Aorus Master X570 motherboard with an AMD Ryzen 9 5950X 4.9GHz CPU and 32GB RAM, in Windows 10 Pro using Crystal Disk Mark (1GB file size). Sustained write speeds up to 140MB/s for the 128GB card, up to 300MB/s for the 256GB card, and up to 400MB/s for the 512GB-2TB cards was observed. Performance will vary depending on host hardware, software, usage, and Atlas Pro CFexpress card storage capacity used.
- Atlas Pro CFexpress cards in 512GB and higher capacities are recommended for 6K video recording.