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.
Choose Your Capacity
Capacities: 325GB, 650GB, 1.0TB, 2.0TB.
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.
- Ultra-SpeedUp 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
- DependableDelivers up to 1500MB/s minimum sustained write speed
- CompatibleFully compatible with a wide variety of DSLR, mirrorless, and cinema cameras
- CompliantFully compliant up to CFexpress 4.0 Type B specification and meets CFexpress 1.0 and 2.0 specifications
- ToughImpact, bend, shock, ESD, UV ray, and x-ray resistant
- Worry-free3 Year OWC Limited Warranty
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.
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.
Technical Specifications
| Max sequential read | Up to 3650MB/s |
| Max sequential write | Up to 3000MB/s |
| Min sustained write | Up to 1500MB/s |
| Capacities | 325GB, 650GB, 1.0TB, 2.0TB |
| Video rating | Up to 8K RAW video recording; high-bitrate video recording up to 8K |
| Standard / Compliance | Fully compliant up to CFexpress 4.0 Type B specification and meets CFexpress 1.0 and 2.0 specifications. (CFA 4.0 backward compatible with CFA 2.0 / PCIe Gen3; forward compatible with CFA 4.0 / PCIe Gen4.) |
| Durability | Impact, bend, shock, ESD, UV ray, and x-ray resistant. |
| Warranty | 3 Year OWC Limited Warranty |
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.
Truth in Numbers
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
Compatibility You Can Count On
How the Atlas Ultra CFexpress lineup compares.
| Atlas Pro CFx | Atlas Ultra | Atlas Ultra | |
|---|---|---|---|
| Capacity | 256GB – 512GB | 325GB – 650GB | 1.0TB – 2.0TB |
| Generation | CFexpress 4.0 | CFexpress 2.0 | CFexpress 4.0 |
| Max sequential read | 3650MB/s | 1700MB/s | 3650MB/s |
| Max sequential write | 3000MB/s | 1500MB/s | 3000MB/s |
| Min sustained write | 800MB/s | 1300MB/s | 1500MB/s |
Camera Compatibility
Tested and compatible with a wide range of professional DSLR, mirrorless and cinema cameras, including:
Blackmagic
Canon
Fujifilm
Leica
Nikon
Panasonic
PhaseOne
RED
Sony
**With Sony Burano, Card is fully compatible, but camera will report card as "unsupported media."
Who & What It's For
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
- Capturing highest quality footage for a blockbuster movie photo shoots
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.
Not sure which card your camera needs?
Tell us your camera and workflow and our certified technicians will recommend the right OWC Atlas card. Email helpdesk@macfixit.com.au.
¹ Real-world speeds up to 3000MB/s write and up to 3650MB/s read. Performance varies by host device, card reader and camera settings.