SF3 Series – SxS Pro Card Reader


Superior Performance

With the increasing popularity of professional digital cinema cameras from Canon, ARRI and Blackmagic Design, the use of CFast 2.0 memory cards has soared, and the need for a truly high-speed card reader is undeniable. With current CFast 2.0 cards’ rated read speeds near 550 MB/s, it’s clear that USB readers don’t fill that need. Sonnet’s SF3™ Series – CFast™ 2.0 Pro Card Reader does. Featuring a 40Gbps Thunderbolt™ 3 interface, this device quickly ingests footage from CFast memory cards to any Mac or Windows computer with Thunderbolt 3 ports—on location, in the studio, or in the edit suite—at the fastest speeds the cards will support.

SF3 Series – CFast 2.0 Pro Card Reader: Dual CFast Slots

Sonnet’s SF3 Series – CFast 2.0 Pro Card Reader is the industrys first CFast 2.0 card reader for Thunderbolt 3. It enables simultaneous ingest of files from two cards up to 1000+ MB/s aggregate. Additionally, the CFast 2.0 Pro Card Reader features:

  • 40Gbps Thunderbolt 3 Interface
  • Dual CFast Slots
  • Bus Powered – No Power Adapter Required
  • Rugged Aluminum Enclosure
  • Replaceable Captive Cable
  • macOS® and Windows® compatible
Categories: ,


Warranty 1-year
Form Factor Portable card reader
Bus Interface 40Gbps Thunderbolt 3
External Connector
  • Two SxS slots
  • Two Thunderbolt 3 ports
  • Power port
Power Adapter Universal 60W, 100-240V AC, 50-60 Hz
Supported Media
  • Sony SxS, SxS-1, SxS Pro, SxS Pro+, SxS Pro+ D Series, SxS Pro+ E Series
  • XQD (requires Sony QDA-EX1 adapter, sold separately)
  • SDXC (requires Sonnet SD-SXS-E34 adapter, sold separately)
Dimensions (WxDxH) 5.75 x 5.1 x 1 in. (144.8 x 129.5 x 25.4 mm)
RoHS Compliant Yes
Package Contents
  • SF3 Series – SxS Pro Card Reader
  • Power adapter
  • Power cable
  • 0.5-meter Thunderbolt 3 (40Gbps) cable
  • ThunderLok 3 Thunderbolt Connector Retainer Clip(5)
  • Documentation

Specifications subject to change without notice.


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