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OWC Atlas Dual SD Card Reader

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  • Dual UHS-II SDXC Card Slots
  • Data Transfers Over 300 MB/s per Slot
  • Integrated USB-C 3.2 Gen 2 Male Cable
  • 1 x USB-C 3.2 Gen 2 Female Interface
  • Separate LEDs for Each Card Slot
  • Plug-and-Play | Write-Protection Switch
  • Non-Skid Rubber Feet | Bus Powered
  • iPadOS, Android, and Chrome Compatible
  • Windows, Mac, and Linux Compatible

The OWC Atlas Dual SD Card Reader is equipped with two UHS-II SDXC card slots, allowing you to efficiently transfer data. OWC Atlas Dual SD Card Reader seamlessly connects to a wide range of systems including Windows, Mac, Linux, Chrome, iPad, or Android through an integrated male USB-C 3.2 Gen 2 cable. For added convenience, you can also utilize a female USB-C 3.2 Gen 2 interface to connect a longer cable if needed. Experience lightning-fast data transfer speeds of over 300 MB/s per slot, reaching a total bandwidth of 600 MB/s when simultaneously working with compatible UHS-II SDXC cards. Maximize your workflow efficiency with the OWC Atlas Dual SD Card Reader.

This card reader offers plug-and-play connectivity, meaning that no additional drives or software are required for use. It receives power from your computer's USB port, while non-skid rubber feet help keep it in place. There is also a write-protect switch, which helps guard against accidental data deletions.

Raise Your Efficiency to the Second Power

Your work requires you to juggle multiple SD cards at the same time. Maybe you carry two camera bodies at weddings, or your camera has dual SD slots to ensure every special moment is captured. To get unique angles in your filmmaking, you use multi-cam setups or you're recording live audio with an external device. Elevate yourself to the highest level of efficiency with the Atlas Dual SD Reader. By quickly transferring video footage, photos, and audio from two UHS-II SDXC cards simultaneously, you'll cut your ingest time in half compared to using a single card reader. With a bus-powered design and integrated cable that neatly tucks into its base, the Atlas Dual SD Reader is conveniently ready for portable use with USB-C equipped Macs, Windows PCs, iPads, and Chromebooks.

Ingest 2X Faster

Having an efficient workflow is a must in order maximize your creative time. Ingest data 2X faster with the Atlas Dual SD Reader and start working with your content faster. This compact reader "eats up" data at real-world tested speeds of over 300 MB/s on two cards simultaneously for a combined bandwidth of over 600 MB/s. Now you can transfer thousands of photos totaling 250GB in less than seven minutes vs over 14 minutes with a single slot UHS-II reader. When every minute counts, the Atlas Dual SD Reader's OWC Beyond Fast performance makes the measurable difference you need to deliver projects on time.

Ready for Wherever Your Work Takes You

Sized and weighing like a compact smartphone, you can easily slip the Atlas Dual CFexpress and SD Reader into a pocket or gear bag. That makes it ideal to pair with your notebook or USB-C tablet to create a lightweight, yet mightily powerful capture and edit solution. Back at the studio or home office desktop, the USB-C port with OWC ClingOn support to secure a longer cable you already own lets you place the Atlas Dual CFexpress and SD Reader almost anywhere you desire. No worries if you accidentally connect that cable from a power supply to the USB-C port, as the Atlas Dual CFexpress and SD Reader has built-in protection to prevent overpowering.

Stay Safe and Informed

Confidence plays a big part in working smarter and more efficiently. You can prevent accidentally overwriting/deleting your precious data or reformatting your SD card in either slot with the Write Protection switch. And when you want a peace of mind update on each slot's power and activity status, separate LEDs keep you clearly informed.

Innergize Your Workflow with Highest Performance and Reliability

OWC Innergize is the first stage of the Capture to Completion ecosystem of OWC products designed to seamlessly propel professional photographers, filmmakers, and content creators to the highest level of workflow performance and reliability. This OWC custom-designed app is a complete health, performance, and field upgrade management tool when using OWC Atlas memory cards with OWC Atlas readers and reader equipped products or when using select OWC portable flash SSDs.

  • Health: Over time and use cycles, flash memory does wear out. Innergize verifies and reports the percentage of use life remaining. Now you can work with full confidence that your OWC flash memory product will deliver the reliability you can trust.
  • Sanitize: Writes, deletes, and formatting all take their toll on memory cards and portable drives. Innergize cleans and restores the flash memory performance of OWC memory cards and portable drives so you can get the best results on every use.
  • Field Upgrade: When new cameras or firmware updates to existing cameras are introduced, they may not work properly with flash memory cards and drives. Innergize gives OWC memory card and portable drive users the ability to quickly upgrade their firmware in the field for full compatibility, additional performance enhancements, and bug fixes for optimal reliability.
Innergize is currently only available for Windows, with a Mac version coming soon.

macOS Compatibility

  • macOS 10.11 El Capitan
  • macOS 10.12 Sierra
  • macOS 10.13 High Sierra
  • macOS 10.14 Mojave
  • macOS 10.15 Catalina
  • macOS 11.x Big Sur
  • macOS 12.x Monterey
  • macOS 13.x Ventura


Please note that to obtain maximum reader performance, Apple Mac M2, M1 Pro, and M1 Max machine users should update to macOS 13.3 or later. Apple Mac M1 users will experience lower than stated reader performance due to M1 data transfer performance.

Windows Compatibility

  • Windows 10 (32-/64-bit)
  • Windows 11
  • Windows Server 2016

Mobile OS Compatibility

  • iPadOS 13
  • iPadOS 14
  • iPadOS 15
  • iPadOS 16
  • Android 11.x
  • Android 12.x
  • Android 13.x

Other OS Compatibility

  • Chrome OS
In the Box
  • OWC Atlas Dual SD Card Reader
  • Limited 2-Year Manufacturer Warranty
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More Information
Product ConditonNew


Media Card Reader 2 x SDXC (UHS-II [312 MB/s])
System Connection USB-C Female, USB-C Male [3.1/3.2 Gen 2 (10 Gb/s)]
Power Source USB Bus Power


LED Indicators Yes
Dimensions (W x H x D) 3.1 x 0.9 x 3.1" / 7.9 x 2.3 x 7.9 cm
Weight 4.9 oz / 140 g

Packaging Info

Package Weight 0.365 lb
Box Dimensions (LxWxH) 4.7 x 4.5 x 1.1"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to
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