- What's Included
- Demo Videos
High-performance, highest quality memory card for the most demanding video recording uses of professional filmmakers and continuous burst mode shooting by advanced photographers
- Ultra speed: up to 3000MB/s write and 3650MB/s read real-world speeds for the most advanced uses cases of professional content creators including fast burst RAW image sequences and high bitrate video recording up to 8K
- Dependable: delivers 1500MB/s minimum sustained write speed
- Supportive: fully compatible with a wide variety of DSLR and mirrorless cameras
- Compliant: fully CFexpress Type B 4.0 compliant and meets CFexpress Type B 1.0 and 2.0 specifications
- Tough: impact, bend, shock, ESD, UV ray, and x-ray resistant
- 3 Year OWC Limited Warranty
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.
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.
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.
Up to 3,000MB/s write and up to 3,650MB/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
Delivers up to 1500MB/s minimum sustained write speed
Fully compatible with a wide variety of DSLR, mirrorless, and cinema cameras
Fully compliant up to CFexpress Type B 4.0 specification and meets Type B 1.0 and 2.0 specifications
Impact, bend, shock, ESD, UV ray, and x-ray resistant
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.
Memory Card Bus
PCIe 4.0 x2
Memory Card Type
CFexpress Type B
Sequential Read (Max)
Up to 3650 MB/s
Sequential Write (Max)
Up to 3000 MB/s
Sequential Write (Average)
Height: 0.2 cm (0.1 in)
Length: 3.2 cm (1.3 in)
Width: 2.4 cm (0.9 in)
Operating: 10.4°F to 161.6°F (-12°C to 72°C)
Non-Operating: -4°F to 185°F (-20°C to 85°C)
- (1) OWC Atlas Ultra CFexpress Type B 4.0 Card
- (1) Jewel Case
- 3 Year OWC Limited Warranty