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OWC Atlas Ultra is the SD card for photogs who can't afford to lose a shot

When you absolutely must get the shot, you need a high-performance storage media that won't let you down.
Written by Adrian Kingsley-Hughes, Senior Contributing Editor
OWC Atlas Ultra SD card

OWC Atlas Ultra SD card.

Adrian Kingsley-Hughes/ZDNET

I often come across people who spend thousands on cameras and lenses and drones, and then look for the cheapest storage media they can find.

This seems like a great idea, right up until the moment you offload your photos and video -- and you discover your valuable files are corrupted or lost.

Also: What do all those microSD and SD card numbers and letters mean?

One company that I trust with my captures is OWC. I use several of the company's products, from capturing on their storage cards, to ingesting photos and videos using their docks and readers, to storing the output on the company's external storage drives.

Recently, the company released a new line of storage cards, the Atlas Ultra

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OWC Atlas Ultra features

  • Ultra-speed: Rated for up to 250MB/s write and 300MB/s read real-world speeds, making the cards the ideal choice for high-burst image sequence, RAW photography, and high bitrate 4K, 6K, and even 12K video recording
  • Dependable: Delivers 90MB/s minimum sustained write speed for reliable operation
  • Proven: Extensive performance testing in the highest settings of high-end cameras
  • Tough: Rugged design that's bend/shock/X-ray resistant, and IP67 dust-proof and waterproof
  • Compatible: Fully compatible with a wide variety of DSLR and mirrorless cameras
  • Flexible: Backwards compatible with previous generation of SD devices and readers
  • Bus type: UHS-II
  • Rating: V90, U3
The OWC Atlas Ultra is a UHS-II SD card, hence the extra contacts on the back

The OWC Atlas Ultra is a UHS-II SD card, hence the extra contacts on the back.

Adrian Kingsley-Hughes/ZDNET

High-speed burst photography and 4K/6K video recording puts an enormous strain on storage media, and it is this workload that the Atlas Ultra is designed to handle. I've tested my sample 256GB Atlas Ultra SD card both in real-world tests and synthetic benchmarks, and it worked flawlessly all the time.

Also: The best cameras for photographers: Entry-level to pro

For real-world testing, I used my Sony A7RIV to shoot several hundred photos and a couple of hours of video at the camera's highest settings, and the card had no trouble keeping up.

The OWC Atlas Ultra can easily keep up with the demands put on it by the Sony A7RIV mirrorless camera

The OWC Atlas Ultra can easily keep up with the demands put on it by the Sony A7RIV mirrorless camera.

Adrian Kingsley-Hughes/ZDNET

For the benchmark tests, I used both Blackmagic's Disk Speed Tool and AJA System Test, using the built-in SDXC card slot on a 16-inch M2 MacBook Pro. Before testing, all the cards were formatted using the SD Association's free SD Card Formatter, available for both Mac and Windows.

Also: Boost your security and productivity with the top Mac apps

At the highest possible settings for each test, the card delivered excellent performance, coming very close to the rated speeds.

Benchmark results for the OWC Atlas Ultra from Blackmagic Disk Speed Test and AJA System Test

Benchmark results for the OWC Atlas Ultra from Blackmagic Disk Speed Test and AJA System Test.

Adrian Kingsley-Hughes/ZDNET

Another feature I like my SD cards to have is durability. Ideally, they're going to be kept in nice little crushproof, dustproof, waterproof cases. In reality, they can find themselves in the bottom of my camera bag amongst all the detritus, and stored beneath a camera body or lens. 

The OWC Atlas Ultra is built rugged, designed to be bendproof, shockproof, and X-ray resistant, and IP67-rated for dust and water proofing.

The Atlas Ultra is bendproof, shockproof, and X-ray resistant, and IP67 rated for dust and water proofing

The Atlas Ultra is bendproof, shockproof, and X-ray resistant, and IP67-rated for dust and water proofing.

Adrian Kingsley-Hughes/ZDNET

With prices ranging from $64.00 for the 64GB version to $499.99 for the 512GB cards, prices are close to $1 a gigabyte, making these cards a premium purchase.

However, you're getting one of the very best cards on the market that can handle the heaviest 6K workloads from cameras such as the Blackmagic URSA mini Pro 12K

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