OWC Atlas USB4 CFexpress 4.0 Type B Card Reader/Writer w/ Type A Adapter
Model: OWCTCCFXB4RDR
About: OWC Atlas USB4 CFexpress 4.0 Type B Card Reader/Writer w/ Type A Adapter
Save time with our fastest CFexpress Type B memory card reader by dramatically reducing ingestion time while being able to work practically anywhere with millions of USB4 and USB-C machines and devices. The Atlas USB4 CFexpress 4.0 Type B Card Reader is a pocket-sized productivity powerhouse you can ingest large amounts of data with speeds up to 5000MB/s. 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. Pair this bus-powered beauty with a USB-C tablet to create a lightweight capture and edit solution with which you can knockout the toughest challenges.
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 3.2 (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 + USB 3.2 (10Gb/s) 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 |
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 media cards. You can also use this innovative little gem to get maximum speed from your CFexpress 2.0 Type B cards. With automatic computer connection speed detection, you’ll always get maximum performance in every use.
Fast Drives Deserve Fast Readers
Being a pro, you likely have already invested in a crazy fast external drive. Keep its performance needle pegged to the limit by offloading to it with the equally crazy fast Atlas USB4 CFexpress 4.0 Type B Card Reader. Besides keeping your projects in the fast lane, you’ll gain back precious time for your personal life.
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.
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
- 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.
- 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.
- 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.
OWC, Trusted by Pros & Enthusiasts the World Over
We build our hardware to the highest standards of reliability and performance. Because 100% reliability is always the goal, we rigorously quality test and back our hardware with a 2 Year OWC Limited Warranty and award-winning customer support.
Specifications
- 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)
- UASP Support: UASP (USB Attached SCSI Protocol) is supported
- Host Interface Requirements: USB4, USB-C, Thunderbolt 4, or Thunderbolt 3 port
- Compatibility
- Mac OS
- macOS 11.x Big Sur
- macOS 12.x Monterey
- macOS 13.x Ventura
- macOS 14.x Sonoma
- macOS 15.x Sequoia
- macOS 26.x Tahoe
- PC OS
- Windows 10 32-bit Edition
- Windows 10 64-bit Edition
- Windows 11
- Mobile OS
- iOS 17
- iOS 18
- iOS 26
- iPadOS 15
- iPadOS 16
- iPadOS 17
- iPadOS 18
- iPadOS 26
- Android 15.x
- Android 14.x
- Android 13.x
- Other OS
- Chrome OS
- Mac OS
- Power Supply: Bus-powered
- Dimensions (HxLxW): 0.9 x 3.1 x 3.1 inch (2.3 x 7.9 x 7.9 cm)
- Weight: 0.32 lbs (144.0 g)
What's in the Box
- OWC Atlas CFexpress Card Reader
- OWC CFexpress Type A to Type B Adapter
- 0.5M (20") USB (40Gb/s) Cable
- Manual for OWC Atlas CFexpress Card Reader (digital)
- OWC Innergize for Mac
- OWC Innergize for Windows
- 2 Year OWC Limited Warranty
UPC: 810149208904
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Warranty: OWC Atlas USB4 CFexpress 4.0 Type B Card Reader/Writer w/ Type A Adapter
AVShop.ca Warranty:
30 Days
Manufacturer's Warranty:
2 Years
Manufacturer's Warranty will cover parts, labour and return shipping back to you once repaired. Shipping into the service centre is not covered
For Quebec Residents - Disclosure under the Consumer Protection Act
In compliance with Bill 29, AVShop.ca and OWC do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Any applicable manufacturer warranties will remain in place.

























