Sonnet Twin 10G SFP+ Thunderbolt 3 Edition – Dual Port 10 Gigabit Ethernet Adapter (SFP+s sold separately)


Are you looking for the most economical dual-port approach to connecting to a high-speed 10 Gigabit Ethernet (10GbE) fiber network using the Thunderbolt 3 port on your computer? You’ll need an adapter. Sonnet’s Twin10G™ SFP+ (Thunderbolt™ 3 Edition) adapter is the powerfully simple solution for adding blazing-fast dual-port 10GbE network connectivity to any Mac®, Windows®, or Linux® computer with Thunderbolt 3 ports.

Product Description

Mac Compatibility

Windows Compatibility

  • PC with Thunderbolt 3 ports
  • Windows 10 (64-bit Edition Version 1809 or greater)
  • IMPORTANT NOTE: Windows computers require the latest BIOS and Thunderbolt drivers to support this product. Check with your computer manufacturer for update information.

Linux Compatibility

  • Linux computer with Thunderbolt 3 ports
  • Linux Kernel 5.0+


Part Number



  • 2-year

Form Factor

  • Thunderbolt 3 adapter

External Connectors

  • Two Thunderbolt 3 ports
  • Two SFP+ sockets
  • 12V power port

10GbE Controller

  • Intel® 82599

Network Support

  • 10 Gigabit Ethernet

Link Aggregation (Teaming)

  • Supported(2)


  • Maximum packet size: 9000 bytes (jumbo packets)

Data Rate Supported per Port

  • 10Gb/s

Advanced Features

  • Flow control support
  • MSI (Message Signaled Interrupts)
  • RSS (Receive-Side Scaling)
  • Interrupt coalescing
  • Multicast filtering
  • 64-bit address support for systems using more than 4GB of physical memory
  • Wake-on-LAN support not supported

Stateless Offloads

  • TCP, UDP, and IPv4 checksum offloading
  • TSO (TCP Segmentation Offload, AKA Large Send Offload)
  • LRO (Large Receive Offload)

Power Adapter

  • Universal 60W, 100-240V, 50-60 Hz

Operating Temperature

  • 0ºC to 35ºC (32ºF to 95ºF)

Dimensions (WxDxH)

  • 4 x 8.25 x 2.75 in. (10.3 x 21 x 7.3 cm)


  • 2.95 lbs. (1.34 kg)

RoHS Compliant

  • Yes

Package Contents

  • Twin 10G SFP+ (Thunderbolt 3 Edition)
  • 0.7-meter Thunderbolt 3 (40Gbps) cable
  • ThunderLok 3 Thunderbolt Connector Retainer Clip(6)
  • Universal power adapter
  • Power cord
  • Documentation