

Whether you’re capturing 4K at 60P RAW video footage to CFexpress memory cards, or shooting hundreds of photos in a session and saving them to XQD memory cards, the generated files are huge, and the cards fill up fast. Moving those files to your computer for editing is a must, but if you use the wrong tool, you’ll spend a lot of time waiting around. Get a Sonnet SF3™ Series - CFexpress/XQD Pro Card Reader; it’s the ultimate tool for finishing the job fast. Using a single Thunderbolt™ cable, it’s compatible with Apple M series Macs or Intel Macs with Thunderbolt 3 ports, as well as Windows or Linux computers with Thunderbolt 5 or Thunderbolt 4 ports.
Ingests footage from CFexpress 2.0 Type B cards and XQD cards at up to maximum supported speeds(1).
Dual card slots enable simultaneous ingest of footage from two cards for greater efficiency.
Pro media card reader provides four lanes of PCIe bandwidth for maximum performance.
Small and rugged aluminum enclosure for reliable operation; design enables multiple SF3 Series card readers to occupy same footprint.
Threaded mount points enable secure attachment of two readers side-by-side on a rack tray in just 1U of rack space.
One port connects to computer; second port supports daisy chaining additional card readers.
Supports all M series Macs and Intel Macs with Thunderbolt 3 ports.
Supports Windows computers with Thunderbolt 5 or Thunderbolt 4 ports.

Founded in 1986 in Orange County, Southern California — long recognized as a vibrant hub of technology and engineering — Sonnet has been at the forefront of innovation for nearly four decades. We’ve introduced award-winning products that expand performance and connectivity for Mac, Windows, and other industry-standard computers. Many of our team members have been with us for more than 20 years, bringing unmatched expertise across both current and legacy products. Should you ever need technical support, you can count on our knowledgeable staff to provide the help you need.





Sonnet Thunderbolt products feature a high-speed Thunderbolt interface that delivers PCIe bandwidth needed to support data transfers at full speed.

Many Sonnet Thunderbolt products featuring Thunderbolt ports come equipped with threaded mounting holes to securely attach a Sonnet ThunderLok connector lock, preventing Thunderbolt cables from accidentally disconnecting.