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OWC Atlas USB4 CFexpress 4.0 Type B Card Reader

Professional Photography Workflow, Videography Offloading, DIT Data Management, High-Speed Media Ingest, Field Production

Overview

The OWC Atlas USB4 CFexpress 4.0 Type B Card Reader (TCCFXB4RDR) is a high-speed memory card reader that leverages a USB4 (40 Gb/s) interface to deliver transfer speeds up to 5000 MB/s, enabling rapid offloading of large video and photo files. It features a single CFexpress 4.0 Type B card slot with an included Type A to Type B adapter for dual-format compatibility, and its compact, bus-powered design makes it ideal for on-location photographers, videographers, and DIT professionals. Compatible with USB4, Thunderbolt 4/3, and USB-C host devices across macOS, Windows, iPadOS, iOS, Android, and Chrome OS.

Key Highlights

  • Maximum Performance: ingest at up to 5000MB/s speed with over 3300MB/s real-world performance when paired with OWC Atlas Ultra CFexpress Type B 4.0 cards
  • Maximum Compatibility: plug-and-play with USB4, Thunderbolt 4/3, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones
  • Flexible Dual Format Support: works with both CFexpress Type B cards natively and Type A cards via the included Type A to Type B adapter
  • Mobile Ready: pocket-sized and bus-powered — no external power adapter needed for field use
  • Complete Package: includes 0.5m USB4 (40Gb/s) cable, Type A to B adapter, non-skid rubber feet, integrated activity LED, and OWC Innergize management tool

Technical Specifications

Brand OWC
Model OWC Atlas USB4 CFexpress 4.0 Type B Card Reader
Interface USB4 (40 Gb/s) via USB-C
Card Slots CFexpress 4.0 Type B (1x)
Card Support CFexpress Type B (native), CFexpress Type A (via included adapter)
Max Speed 5000 MB/s (theoretical), 3300+ MB/s (real-world)
UASP Yes
Power Bus-powered (no external power needed)
Cable Included 0.5m USB4 (40Gb/s) cable included
LED Indicator Yes
Weight 144g (0.32 lbs)
Dimensions 79 x 79 x 23 mm
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