OWC Atlas CFexpress Card Reader

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OWC Atlas CFexpress Card Reader

USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader

New | Open Box


Mfr P/N: TCCFXB4RDR OWC SKU: OWCTCCFXB4RDRO

Ultra-fast compact USB4 (40Gb/s) CFexpress 4.0 Type B card reader for creative professionals

  • Maximum Compatibility: plug and play with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones
  • Maximum Performance: Ingest at up to 5000MB/s speed. Over 3300MB/s real world performance when tested with an OWC Atlas Ultra CFexpress Type B card1
  • Flexible: Works with CFexpress Type B and Type A memory cards2
  • Mobile Ready: pocket-sized and bus-powered
  • Stable: non-skid rubber feet keep reader in place while OWC ClingOn secures the included USB-C connecting cable3
  • Informative: confirm use status instantly via integrated LED
  • Complete: includes Innergize™ health, performance, and field upgrade management tool for OWC Atlas Memory Cards
  • Versatile: Includes Type A to Type B adapter to allow for reading of Type A format cards, with the ability to obtain maximum speed
  • 2 Year OWC Limited Warranty
availability

Overview

OWC Atlas CFexpress Card Reader

Ultra-fast Compact USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader for Creative Professionals

OWC Atlas USB4 CFexpress Card Reader

Blast Off to A New World of Productivity

Leave workflow constraints behind and blast off into a new world of productivity with the Atlas USB4 CFexpress 4.0 Type B Card Reader. Powered by all “the right stuff” when it comes to performance, compatibility, and convenience, you’ll save time with our fastest CFexpress memory card reader by dramatically reducing ingestion time while being able to work practically anywhere with millions of past, present, and future USB machines and devices.

Ingest cards with ease no matter if the card is Type A or Type B, and get the maximum benefit of speed in order to offload files more quickly.

OWC Atlas USB4 CFexpress 4.0 Card Reader on desktop with Mac Studio and Type A to B adapter
Photographer on mountain top

It’s Your Time

Your productivity is only as good as your gear. You paid a lot for that blazing fast external drive, so don’t handcuff its speed by offloading to it from a slow reader. Keep investing in your workflow and reap the reward of gaining precious time back for your personal life by streamlining projects with the Atlas USB4 CFexpress 4.0 Type B Card Reader.

As Fast as the Card and Connection

Featuring a highly effective heat sink and heat-resistant internal components to prevent thermal throttling, the Atlas USB4 CFexpress 4.0 Type B Card Reader is the fastest and most reliable solution available for ingesting CFexpress 4.0 Type B and Type A memory cards (with CFexpress Type A to Type B adapter). You can also use this innovative little gem to get maximum speed from your CFexpress 2.0 memory cards. With automatic computer connection speed detection, you’ll always get maximum performance in every use.

OWC Atlas USB4 CFexpress Card Reader facing left

Over 4x Faster Ingest vs USB 3 Readers

You’re a pro so you’re expected to move at the speed of innovation. While USB-C 10Gb/s readers are fast, you will dramatically reduce ingest time when you power your work with the Atlas USB4 CFexpress 4.0 Type B Card Reader. And depending on the computer you connect to, it’s twice as fast as our previously fastest Atlas FXR Thunderbolt reader!

OWC Atlas USB4 CFexpress Type B Reader

OWC Atlas FXR CFexpress Reader

USB 3.2 (10Gb/s) Reader

15,000 RAW 45 Megapixel images and 15,000 JPEG images with Canon R5C (approx. 1.02TB)

6min 19sec

11min 45 sec

25min 11sec

68 mins of 6K Blackmagic BRAW video in Q0 compression at 30fps from BMPCC 6K Pro (approx. 1.02TB)

5min 38sec

10min 46sec

24min 23sec

23 minutes of 8K N-RAW HQ video at 60fps with Nikon Z9 (approx. 1.02TB)

5min 51sec

11min 02sec

24min 10sec

Pocket-Sized Powerhouse

Slip the Atlas USB4 CFexpress 4.0 Type B Card Reader into your smallest camera bag while still being able to pack all the accessories you need to capture incredible content. You can also pair this pocket-sized reader with a USB-C equipped tablet to create a super lightweight yet mightily powerful capture and edit solution.

OWC Atlas USB4 CFexpress Card Reader in backpack pocket
OWC Atlas USB4 CFexpress Card Reader front

Complete and Secure

By switching the reader into Innergize mode, you can push past the limits of flash technology by ensuring your OWC Atlas Memory Cards are always ready to deliver the highest level of workflow performance and reliability. And for the ultimate in workflow confidence, an OWC ClingOn cable stabilizer (available separately) can be added to prevent USB-C cable disconnection.

OWC Innergize - Photographer on mountaintop

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, videographers, 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.

Work with Maximum Confidence and Reliability

OWC Innergize - Health

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 your OWC Atlas memory card will deliver the reliability you can trust.

OWC Innergize - Sanitize

Sanitize

Writes, deletes, and formatting all take their toll on memory cards. Innergize cleans and restores the flash memory performance of your OWC Atlas memory card so you can get the best results on every use.

OWC Innergize - Field Upgrade

Field Upgrade

When new cameras or firmware updates to existing cameras are introduced, they may not work properly with flash memory cards. Innergize gives OWC Atlas memory card users the ability to quickly upgrade their firmware in the field for full compatibility, additional performance enhancements, and bug fixes for optimal reliability.

  1. Over 3300MB/s real world read performance was observed based on testing OWC Atlas Ultra 2.0TB CFexpress 4.0 Type B card in the OWC Atlas USB4 CFexpress 4.0 Type B Card Reader connected to a Dell XPS 9315 with i5-1230U and 8GB RAM, in Windows 11 Pro using Crystal Disk Mark (1GB file size). Performance will vary depending on host hardware, software, usage, and CFexpress memory card used.
  2. Using a CFexpress Type A memory card with Atlas USB4 CFexpress 4.0 Type B Card Reader requires a compatible CFexpress Type A to Type B adapter.
  3. OWC ClingOn cable stabilizer available separately.

IncludesIncludes

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    Device Ports

    • (1) Host Port - USB4 (USB-C) up to 40Gb/s (5000MB/s) - USB 3.0/USB 3.2 backwards compatible

    Memory Card Slots

    • (1) CFexpress 4.0 Type B

    Memory Card Support

    • CFexpress Type B
    • CFexpress Type A (requires Type A to Type B adapter)

    Host Interface Requirements

    • USB4, USB-C, Thunderbolt 4, or Thunderbolt 3 port

    Mac OS Compatibility

    • macOS 11.x Big Sur
    • macOS 12.x Monterey
    • macOS 13.x Ventura
    • macOS 14.x Sonoma
    • macOS 15.x Sequoia
    • OWC Innergize is currently supported on macOS version 12.x, macOS 13.7.2 and earlier, macOS 14.7.2 and earlier, and macOS 15.2.1 and earlier. We are aware of an issue in macOS 13.7.3, macOS 14.7.3, macOS 15.3.x, released 01/27/25 that makes OWC Innergize unable to be used with OWC Atlas USB4 and USB-C readers. The Thunderbolt interface equipped OWC Atlas FXR reader remains supported in macOS 15.3.x over USB. Apple has been informed of this issue and we are diligently pursuing a resolution.

    PC OS Compatibility

    • Windows 10 32-bit Edition
    • Windows 10 64-bit Edition
    • Windows 11

    Mobile OS Compatibility

    • iOS 17
    • iOS 18
    • iPadOS 15
    • iPadOS 16
    • iPadOS 17
    • iPadOS 18
    • Android 15.x
    • Android 14.x
    • Android 13.x

    Other OS Compatibility

    • Chrome OS

    Power Supply

    • Bus-powered

    Dimensions

    • Height: 2.3 cm (0.9 in)
    • Length: 7.9 cm (3.1 in)
    • Width: 7.9 cm (3.1 in)

    Weight

    • 144.0 g (0.32 lbs)

    Country of Origin

    • Taiwan

    TAA Compliance

    • Yes
    1. 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. Learn more on the OWC Blog.
    2. Mac and PC models from 2016 and earlier may see reduced speeds when connected in USB4 mode
    3. Over 3300MB/s real world read performance was observed based on testing OWC Atlas Ultra 2.0TB CFexpress 4.0 Type B card in the OWC Atlas USB4 CFexpress 4.0 Type B Card Reader connected to a Dell XPS 9315 with i5-1230U and 8GB RAM, in Windows 11 Pro using Crystal Disk Mark (1GB file size). Performance will vary depending on host hardware, software, usage, and CFexpress memory card used.

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