Atlas S Pro SD Cards

Unlock stunning high-bitrate video up to 8K, incredibly detailed high-resolution photos, and awe-inspiring burst image sequences.

  • Atlas S Pro card black 256GB upright
  • Atlas S Pro card black 256GB left side

Unleash Your Potential with Professional-Grade SD Card Performance

  1. Pro speed: Up to 277MB/s write and 290MB/s read real world speeds for shooting high-resolution photos, burst photo sequences, and recording up to 8K video. 1
  2. Advanced: utilizes pSLC technology to provide consistent leading-edge performance, endurance, and reliability
  3. Efficient: fast read speeds let you offload data to computer for immediate file access and quicker post-production
  4. Tough: Impact, bend, shock, ESD, UV ray, and x-ray resistant
  5. Supportive: fully compatible with a wide variety of DSLR, mirrorless, 360-degree, VR, and cinema cameras
  6. Flexible: backwards compatible with UHS-I SD devices and readers 2
  7. Worry-free: 5 Year OWC Limited Warranty

Proven Technology Leadership You Can Depend On

For over two decades, enthusiasts and professionals have depended on OWC’s advanced storage technology to deliver the highest performance and reliability available. By drawing on our experience of engineering best-in-class flash storage solutions since 2010, we created Atlas S Pro to be the “Capture to Completion”™ SD media card solution.

Atlas S pro cards on table with single reflex lense camera and keyboard

Whether you’re an aspiring social media influencer, visual arts hobbyist, accomplished photographer or videographer, infuses your capture to ingest workflow with maximum efficiency and confidence. That’s because Atlas S Pro utilizes advanced pseudo Single-Level Cell (pSLC) flash memory. Normally deployed in enterprise-level settings, this leading-edge feature delivers up to 10x higher memory endurance and consistently fast performance over the card’s entire capacity. Now you can work free from worrying about dropped frames, missing a crucial shot, or your camera freezing up.

Ready for the Rough Stuff

High performance means nothing if a storage solution isn’t also highly reliable. was specifically designed to be ready to work where things can get rough. No matter if X-rays, UV rays, shocks, drops, extreme temperatures are a normal part of your day… Atlas S Pro lets you shoot, swap, and store carefree.

Write Speeds – Critical for Fast Capture


OWC Atlas S Pro – Real World Speeds

260MB/s and slower

Most V90 SD Cards



Endorsed by Experts

Announced at CES 2022, Atlas S Pro immediately lived up to its billing as it nabbed Videomaker’s Best Storage Media Award Winner and TechRadar's Pro Picks Award Winner accolades.

Endurance – Total Data Written

10X Higher

OWC Atlas S Pro

Common SD Cards

Truth You Can Count On

When we say Atlas S Pro can deliver consistently smooth performance for up to 8K video capture and burst photo modes, you can take that to the bank. We don’t take the easy road and publish specification theoretical speeds to grab attention. We do it right by running our flash storage solutions through intensive performance testing. And we share how we achieved the results in detail. Truthfully listing Atlas S Pro cards for reliable performance up to 277MB/s write and 290MB/s read speeds defines our commitment to the OWC Difference: you will be completely satisfied that these SD UHS-II cards will deliver the performance you expect.

Atlas S pro cards being placed in SLR camera on tripod
  1. Up to up to 277MB/s write and up to 290MB/s read performance was observed based on testing OWC Atlas S Pro cards in a OWC 14 Port Thunderbolt 3 Dock connected to a MacBook Pro 16,1 with macOS 10.16, 2.4GHz Core i9 processor, and 32GB RAM running AJA 16.0.1 System Test (4K-Full resolution, 64GB file size, 16bit RGBA codec, single file test). Performance will vary depending on host hardware, software, usage, and Atlas S Pro card storage capacity used.
  2. Card performance limited to what the UHS-I device or reader supports.