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OWC Atlas Ultra UHS-II SDXC Memory Card

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  • 64GB Storage Capacity
  • UHS-II / V90 / U3 / Class 10
  • Max Sequential Read Speed: 300 MB/s
  • Max Sequential Write Speed: 250 MB/s
  • Min Sustained Write Speed: 90 MB/s
  • Records 6K, 4K, Full HD, and 3D Video
  • Capture Raw and Burst Photos
  • Water and Dust Proof
  • Bend, Shock, and X-Ray Resistant
  • Built-In Write-Protect Switch

The OWC 64GB Atlas Ultra UHS-II SDXC Memory Card  utilizes the UHS-II bus to support advanced functions like continuous shutter bursts and rapid shooting, making it ideal for DSLR/mirrorless cameras. It excels in video capture, including 6K, 4K, Full HD, and 3D video. Enjoy impressive sequential read speeds of up to 300 MB/s and sequential write speeds of up to 250 MB/s. The card carries a V90 speed class rating, ensuring minimum sustained write speeds of at least 90 MB/s.

To help facilitate card usage in almost any environment, as well as keeping your content safe, OWC built the Atlas Ultra with a design that is bend, shock, and X-ray resistant, as well as an IP67 rating, meaning it is dust and waterproof. It is also able to withstand temperature extremes from -13 to 185°F.

UHS-II media achieves its speed through an extra row of pins and, while this card has been designed for cameras that are UHS-II / V90 compatible, it may be used in devices that do not support UHS-II / V90. However, bear in mind that this card will then default to your device's speed class and bus rating, such as UHS-II and V60, which supports minimum write speeds of 60 MB/s, UHS-II and V30, which supports minimum write speeds of 30 MB/s, or UHS-I and U3, which also supports minimum write speeds of 30 MB/s. If your device does not support U3, this card is compatible with the U1 and Class 10 standards, each of which guarantees minimum write speeds of 10 MB/s.

OWC Atlas Ultra SD V90

High-performance, high quality memory card for advanced photography and video recording at maximum camera settings.

Go Beyond Pro

When your projects require you to take your skills and camera settings beyond pro, Atlas Ultra SD V90 memory cards have you covered. Shooting action photos with lots of quick sequences? Just point and reliably capture burst sequences. Want the highest possible quality footage? Up to 6K video is yours for the recording. With the Atlas Ultra SD V90's ability to deliver a minimum sustained write speed of 90 MB/s, you won't have to worry about dropped frames or missing footage.

Quality In = Quality Output

Thanks to an extremely thorough quality control process, you can work fearlessly knowing that your Atlas Ultra SD V90 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 SD V90 is the difference-maker for your high-end workflows and maximum camera setting uses.


Ultra Speed Up to 250 MB/s write and 300 MB/s read speeds for advanced uses cases including high-burst sequence RAW photography and high-bitrate 4K and 6K video. Proven Extended time tested in the highest settings of high-end cameras. Tough Bend/shock/X-ray resistant and IP67 dust and waterproof. Compatible Fully compatible with a wide variety of DSLR and mirrorless cameras. Flexible Backward compatible with previous generation SD devices and readers. Dependable Delivers minimum sustained write speeds of 90 MB/s.

Shoot, Store, and Swap... Almost Anywhere

Atlas Ultra SD V90 cards can shrug off the toughest environmental challenges, including X-rays, shocks, bends, dust, and water. Go ahead... shoot, store, and swap with total peace of mind. Atlas Ultra SD V90 cards have your work, and your back, well protected. Who Is It For?

  • Advanced action sports photographers
  • Advanced outdoor/wildlife photographers
  • Individual pro photo and video creatives with advanced cameras and camcorders
  • Independent/small film production companies

What Is It For?

  • Capturing the winning play of the game in clear detail
  • Creating a freeze-frame sequence of a cheetah running down prey
  • Branded, huge following influencers needing to create enhanced, professional-looking content for their channels
  • Product photo shoots

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 OWC takes the extra time to run OWC flash storage solutions through intensive performance testing, and they share their test setup and parameters. Truthfully listing Atlas Ultra SD V90 memory cards for reliable performance, with writes up to 250 MB/s and reads up to 300 MB/s defines their commitment to the "OWC Difference," which ensures these UHS-II SD cards will deliver the performance you are counting on.

In the Box
  • OWC 64GB Atlas Ultra UHS-II SDXC Memory Card
  • Jewel Case
  • Limited 3-Year Manufacturer Warranty
More Information
Product ConditonNew
Quantity 1
Card Type SDXC
Storage Capacity 64 GB
Bus Type UHS-II
Speed Class 10
UHS Speed Class U3
Video Speed Class V90
Read Speed Maximum: 300 MB/s
Write Speed Maximum: 250 MB/s Minimum: 90 MB/s
Operating Temperature -13 to 185°F / -25 to 85°C
Storage Temperature -40 to 185°F / -40 to 85°C
Built-in Write-Protect Switch Yes

Packaging Info

Package Weight 0.03 lb
Box Dimensions (LxWxH) 2.15 x 1.75 x 0.45"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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