Twin10G - Amazingly Fast 10GbE NetworkingTwin10G Product Hero Photo
Amazingly Fast
10GbE Networking
Dual-port copper (RJ45) connections

Twin10G

Dual-port 10GBASE-T 10 Gigabit Ethernet Thunderbolt Adapter

Compatible with Mac®, Windows®, and Linux® Computers

Blazing-fast 10GBASE-T (Copper) Connectivity Over Thunderbolt

Increased demand for greater data transfer speeds and more bandwidth on high-performance shared storage networks has driven the explosion in demand for 10 Gigabit Ethernet (10GbE) networking. Yet, most computers aren’t equipped to get you connected. If your Mac, Windows, or Linux computer has a Thunderbolt™ port, you are in luck — Twin10G™ Thunderbolt Adapter is a powerfully simple and cost-effective solution for adding blazing-fast dual-port 10GBASE-T 10GbE network connectivity to your computer.

Twin10G (Thunderbolt 3 Edition) with MacBook Pro

Connect to 10GbE Infrastructure

Twin10G adapter is equipped with two RJ45 ports, enabling it to connect to 10GbE infrastructure via inexpensive Cat 6 or Cat 6A copper cabling at distances up to 55 or 100 meters, respectively.

Key Features

Adds 10GBASE-T 10GbE Connectivity Icon

Adds 10GBASE-T 10GbE Connectivity

Simply powerful way to add dual RJ45 10 Gigabit Ethernet ports to your computer with Thunderbolt ports.

Cost-Effective Icon

Cost-Effective

Connects to 10GbE infrastructure via inexpensive Cat 6 or Cat 6A cables at distances up to 55 or 100 meters, respectively.

Easy Setup Icon

Easy Setup

Configure the adapter's settings using operating system tools.

Thunderbolt Icon

Thunderbolt to PCIe Device

Enough PCIe bandwidth to support two 10Gb ports at full speed.

Two Thunderbolt Ports Icon

Daisy-chain Additional Thunderbolt Devices

On back panel of Twin10G, one Thunderbolt port connects to computer; second port supports daisy-chaining of additional Thunderbolt peripheral devices.

Rugged Icon

Small. Rugged. Nearly Noiseless.

Rugged aluminum enclosure is compact enough to sit on most any work surface, and quiet enough for use in noise-sensitive environments.

Transparent Failover Icon

Supports Transparent Failover

Keeps your computer connected in case a single cable is disconnected or one of the ports fails.

Link Aggregation Icon

Supports Link Aggregation (Teaming)

Increases throughput beyond what a single connection can sustain (Windows and Linux).

VMWare Ready Icon

VMWare Ready

Optimized to meet VMWare’s highest level of endorsement.

Apple Logo Icon

Mac Compatible

Supports Apple® M series Macs and Intel® Macs with Thunderbolt ports.

Windows Logo Icon

Windows Compatible

Supports Windows computers with Thunderbolt 5, 4, or 3 ports.

Linux Logo Icon

Linux Compatible

Supports Linux computers with Thunderbolt 5, 4, or 3 ports.

Free Lifetime Tech Support Icon

Free Lifetime Tech Support

Founded in 1986 in Orange County, Southern California — the vibrant hub of technology and engineering south of Silicon Valley — Sonnet has been at the forefront of innovation. Over the years, we've developed numerous award-winning products that enhance performance and connectivity for Mac, Windows, and other industry-standard computers. Many of our team members have been with us for over two decades, providing us with extensive expertise about our current and past offerings. If you ever need technical support for any of our products, don’t hesitate to reach out; we’re here to assist you.

Thunderbolt Logo
The Thunderbolt Interface Connection
To achieve optimal data transfer speeds, Thunderbolt provides the highest PCIe bandwidth available. Watch this video to discover the performance advantages of the Thunderbolt controller in Sonnet Thunderbolt products.
Twin10G Icon

Compact and Nearly Noiseless

Twin10G adapter is compact enough to easily fit in most workspaces, yet large enough to support proper airflow inside the case — its design enables the adapter’s temperature-controlled, variable-speed fan to keep the adapter running cool and whisper-quiet at all times, making it suitable for use in noise-sensitive environments. Constructed of rugged and lightweight aluminum, the adapter’s outer shell securely protects the inner circuitry.

Simplified Setup

How simple? Just connect Twin10G adapter to your computer via the included 40Gbps Thunderbolt cable, download and install a driver, connect the adapter to the network switch or directly to 10GbE-enabled storage via Cat 6 or Cat 6A cables, and configure the adapter’s settings through the macOS® Network control panel, Windows Device Manager, or Linux command line (or graphical utility).

Setup Icons

Intelligent Operation

Twin10G adapter attains its high throughput performance and low host-CPU utilization through functions such as flow control, 64-bit address support for systems using more than 4GB of physical memory; and stateless offloads such as TCP, UDP and IPv4 checksum offloading. These processes enable your computer to perform better while large files transfers or high I/O operations take place. This Sonnet adapter’s dual 10GbE connections support transparent failover to keep your computer connected in case a single cable is disconnected or one of the ports fails. Windows and Linux also support link aggregation (teaming) for increased throughput!

Intelligent Operation Icon
Sonnet Thunderbolt Cable & ThunderLok Icon
Secure Connections for High Performance

Thunderbolt Cable and ThunderLok Included

Sonnet includes a Thunderbolt cable that supports Thunderbolt’s maximum bandwidth and is fully compatible with Thunderbolt 5, 4, and 3 computers. Sonnet also provides ThunderLok,™ a Thunderbolt connector retainer clip, that prevents accidental cable disconnections.
Sonnet Thunderbolt Cable with ThunderLok
Thunderbolt Port with Threaded Hole Icon

ThunderLok Advantage

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

Thunderbolt Technology

Fastest External Interface Available

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

Two Thunderbolt Ports Icon
Connect Additional Thunderbolt Devices
One port is reserved for connecting to your computer; the second port enables connection of additional Thunderbolt peripheral devices in a daisy chain.
10Gbps USB 3.2 Gen 2 Icon
10Gbps USB 3.2 Gen 2 Support
10Gbps USB 3.2 Gen 2 support allows you to connect a USB device to the second Thunderbolt port using the proper cable or adapter.
15W Power Icon
Provides 15W of Power
For peripherals requiring extra power, 15 watts is provided to bus-powered devices through the secondary Thunderbolt port.
8K Display Icon
Supports Connecting Up to One 8K Display
Maximize the utilization of one computer Thunderbolt port, connecting the largest display supported by your computer.
Thunderbolt 4 Computers

Compatible with Current Thunderbolt Computers and Apple M series Macs

Twin10G Thunderbolt Adapter is fully compatible with current Thunderbolt computers, including Apple M series Macs. Sonnet Thunderbolt Ethernet adapters are purposely designed with a Thunderbolt 3 controller and its four lanes of PCIe (not available in a Thunderbolt 4 peripheral) to achieve maximum performance. Watch this video to learn more about the performance benefits.
Apple M Series CPU

Compatible with Apple M series Macs

(See Tech Specs for details)

Older Macs with Thunderbolt 2 Ports

Backward Compatible with Older Macs

Twin10G adapter is compatible with Macs with Thunderbolt 2 or Thunderbolt ports when used with the bi-directional Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter and a Thunderbolt cable (both sold separately).

Why Choose Sonnet for Ethernet Networking?

We've got what you need for 25GbE and 10GbE connections

  • 10GbE and 25GbE network experts
  • One provider for all your networking needs
  • Adapters for Thunderbolt computers
  • Single- and dual-port adapters
  • SFP+ (optical) adapters
  • Networking PCIe cards

Learn More

Why Choose Sonnet for Ethernet Networking?

We've got what you need for all networking connections

  • macOS, Windows, and Linux support
  • 25GbE, 10GbE, and 2.5GbE network experts
  • One provider for all your networking connections
  • Adapters for Thunderbolt computers
  • Single- and dual-port adapters
  • Copper and optical adapters
  • Networking PCIe cards
Product
Supported Speeds
Interfaces
Controller
OS Compatibility
For Computers with Thunderbolt Ports
Sonnet Thunderbolt AVB Adapter Hero Photo
Sonnet Thunderbolt AVB Adapter
Learn More
  • 10Gb
  • 1Gb
  • RJ45
  • Broadcom
Solo2.5G Adapter Hero Photo
Solo2.5G Adapter
Learn More
  • 2.5Gb
  • 1Gb
  • 100 Mb
  • RJ45
  • Realtek
Solo10G Thunderbolt Adapter Hero Photo
Solo10G Thunderbolt Adapter
Learn More
  • 10Gb
  • 2.5Gb/5Gb
  • 1Gb
  • RJ45
  • Marvell
Solo10G SFP+ Thunderbolt Adapter Hero Photo
Solo10G SFP+ Thunderbolt Adapter
Learn More
  • 10Gb
  • SFP+ socket with SFP+ SR transceiver
  • Marvell
Twin10G Thunderbolt Adapter Hero Photo
Twin10G Thunderbolt Adapter
Learn More
  • 10Gb
  • 1Gb
  • 2x RJ45
  • Intel
Twin10G SFP28 Thunderbolt Adapter Hero Photo
Twin10G SFP28 Thunderbolt Adapter
Learn More
  • 10Gb
  • 2x SFP28 SR transceivers included
  • Mellanox
Twin25 Thunderbolt Adapter Hero Photo
Twin25 Thunderbolt Adapter
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  • 25Gb
  • 10Gb
  • 2x SFP28 SR transceivers included
  • Mellanox
For Computers or Thunderbolt Expansion Systems with PCIe Slots
Solo2.5G PCIe Card Hero Photo
Solo2.5G PCIe Card
Learn More
  • 2.5/5Gb
  • 1Gb
  • RJ45
  • Realtek
Solo10G PCIe Card Hero Photo
Solo10G PCIe Card
Learn More
  • 10Gb
  • 2.5/5Gb
  • 1Gb
  • RJ45
  • Marvell
Solo10G SFP+ PCIe Card Hero Photo
Solo10G SFP+ PCIe Card
Learn More
  • 10Gb
  • SFP+ socket including SFP+ SR transceiver
  • Marvell
Twin10G 10GBASE-T PCIe Card Hero Photo
Twin10G 10GBASE-T PCIe Card
Learn More
  • 10Gb
  • 1Gb
  • 2x RJ45
  • Intel
Twin10G SFP28 PCIe Card Hero Photo
Twin10G SFP28 PCIe Card
Learn More
  • 10Gb
  • 2x SFP28 SR transceivers included
  • Mellanox
Twin25G PCIe Card Photo
Twin25G PCIe Card
Learn More
  • 25Gb
  • 10Gb
  • 2x SFP28 SR transceivers included
  • Mellanox
McFiver PCIe Card Hero Photo
McFiver PCIe Card
Learn More
  • 10Gb
  • 2.5/5Gb
  • 1Gb
  • RJ45
  • 2x USB-C 3.2 Gen 2
  • 2x M.2 SSD sockets
  • Marvell
See Tech Specs for footnotes.
Product specifications and information subject to change without notice. Computer hardware and accessories featured in photos that are not included with product are shown for illustration purposes; items sold separately.

Twin10G Thunderbolt Adapter