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Compact space-grey dual SD card reader with integrated USB-C cable

OWC

OWC Atlas Dual SDXC UHS-II Card Reader USB 3.0 Space Gray

SKU CH-AXBQ-FNMMT

Bus-powered dual SDXC UHS-II reader ingests two cards simultaneously at over 300MB/s each via USB 3.0

  • Type2-in-1
  • Slots2
  • Installation TypeExternal
  • ColorSpace Gray
  • InterfaceUSB 3.0
  • Support - SDYes
  • Dual-slot ingestion over 300MB/s per SDXC UHS-II card
  • Bus-powered USB 3.0 with integrated cable that tucks away for travel
  • Write-protection switch safeguards both slots against accidental deletion or formatting
  • Separate LEDs show power and activity status for each card slot
  • Non-skid rubber feet and OWC ClingOn keep reader stable on any surface

Dual-Slot SDXC UHS-II Reader

The OWC Atlas Dual SDXC UHS-II Card Reader is an external, bus-powered device built for professional photographers, filmmakers, DITs, and content creators who need to ingest from two cards at once. It connects via USB 3.0 and works with Mac, Windows, iPad, and Chrome OS. The compact Space Gray enclosure is pocket-sized for travel and includes non-skid feet plus a cable management feature to keep the unit stable on a desk.

Thermals, Noise and Power Draw

As a bus-powered reader with no moving parts, it draws power directly from the host USB-C port and runs silently. The aluminium chassis passively dissipates any heat generated during sustained transfers, so there is no fan noise or external power brick to manage. Typical operation stays within the USB 3.0 power budget without requiring a separate supply.

Bundled Accessories and Software Impact

The integrated USB-C cable tucks away when not in use, and a second USB-C port allows a longer cable for studio setups while retaining built-in port protection. A hardware write-protection switch applies to both slots simultaneously, preventing accidental file deletion or formatting. Separate status LEDs give instant visual confirmation of power and activity for each card independently.

Highlights

  • Dual-slot ingestion over 300MB/s per SDXC UHS-II card
  • Bus-powered USB 3.0 with integrated cable that tucks away for travel
  • Write-protection switch safeguards both slots against accidental deletion or formatting
  • Separate LEDs show power and activity status for each card slot
  • Non-skid rubber feet and OWC ClingOn keep reader stable on any surface

Specifications

BrandOWC
ModelOWCTCDSDRDR
Part NumberOWCTCDSDRDR
Type2-in-1
Slots2
Installation TypeExternal
ColorSpace Gray
InterfaceUSB 3.0
Support - SDYes
Shipping weight0.36 kg
Package size109 × 109 × 28 mm

Questions about this item

How do I connect the OWC Atlas Dual SDXC reader and what is the common mistake?

Plug the integrated USB-C cable into a USB 3.0 or USB 3.2 Gen 2 port; the mistake is using a USB 2.0 port which drops speed far below the 300MB/s per card the reader can deliver.

What part will need attention or replacement over time?

The integrated USB-C cable cannot be swapped separately; if the cable or its connector wears out the whole unit must be replaced.

What limit appears first when ingesting two UHS-II cards continuously?

The USB 3.0 host link caps combined throughput near 300MB/s per slot, so sustained dual-card ingest hits the bus ceiling before the cards do.

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