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SF3 Series Professional Dual-Slot RED MINI-MAG Pro Thunderbolt 3 Card Reader

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$349.99
Sep 13 · Macy's
Best price
$349.99
−0% vs high
14-day high
$349.99
All stores
$350$350$350
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $349.99 at Macy's. Highest: $349.99. Current best is 0% below the 14-day high.

About this product

The Sonnet SF3 Series Professional Dual-Slot RED MINI-MAG Pro Thunderbolt 3 Card Reader is a high-performance data transfer device designed for professional photographers and videographers using RED cameras. It features dual slots for RED MINI-MAG media, enabling simultaneous ingestion of content at speeds up to 1060 MB/s. Built with a durable aluminum enclosure, it supports daisy-chaining via its dual Thunderbolt 3 ports, offering a 40Gbps interface for fast connectivity. The compact, stackable design fits in just 1U of rack space and includes threaded mount points for secure installation. Compatible with Mac, Windows, and Linux systems, it also supports backward compatibility with Thunderbolt 2 when using optional adapters.

  • Dual RED MINI-MAG slots
  • 40Gbps Thunderbolt 3 interface
  • Rugged aluminum enclosure
  • Supports daisy-chaining
  • Wipe clean surface
  • Compact 1U rack design

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SF3 Series Professional Dual-Slot RED — Price History