USB-C to Dual 4K 60Hz HDMI Adapter Connected to MacBook Air and Two 4K Displays
Workspace Wonder
Thunderbolt Dual HDMI Connections Solution
USB-C to Dual 4K 60Hz HDMI Adapter Connected to MacBook Air and Two 4K Displays
Optimal Thunderbolt to HDMI Video Performance Banner
Workspace Wonder
Thunderbolt to Dual 4K HDMI 2.1 Adapter
Connect Two 4K 60Hz HDMI Displays Using Only One Thunderbolt Port on Your Computer
for Mac® and Windows®
(see Tech Specs for full compatibility info)
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Two 4K HDMI Monitors
Two HDMI Displays from a Single Thunderbolt Port
Do your ideas and workflow need room to grow beyond a single screen?  Sonnet Thunderbolt to Dual 4K HDMI 2.1 Adapter makes it possible for you to work more efficiently with your laptop, compact desktop or all-in-one computer, enabling you to connect two 4K (3840 x 2160) @ 60Hz displays (Mac) or up to two 4K (3840 x 2160) @ 120Hz displays (Windows) to a single Thunderbolt port on your computer.
Thunderbolt Dual HDMI 2.1 Adapter HDMI Ports
MacBook Pro and Windows Notebook
Double Display Expansion Solution for M Series Pro/Max/Ultra Macs, and Intel Mac and Windows Computers
Two 4K HDMI Monitors
Expand Your Desktop – Connect Two 4K @ 60Hz HDMI® Displays
Thunderbolt Logo
Thunderbolt Certified – Connect to Your Computer with a Thunderbolt Port
DisplayPort version also available ›
Supports 4K Plus 8K Displays with Windows Computer Icon
Supports 4K + 8K Displays with Windows Computers
This Sonnet adapter can also support one 8K (7680 x 4320) @ 60Hz display plus one 4K @ 60Hz display at the same time — ideal for when you need to connect your computer to the largest displays possible! Note that 8K monitor support under Windows depends on the number of monitors, maximum resolution, and refresh rates your computer supports.
Man Working Behind Two 4K Monitors
Productivity Partner

Expanded Workspace. Enhanced Workflow.

Work more efficiently and expand your application desktop space across multiple screens. Whether you need to edit video or code like a pro, open multiple applications on their own screens, crunch spreadsheets in detail, or mirror your notebook’s display on a larger monitor, Thunderbolt to Dual 4K HDMI 2.1 Adapter makes it possible. Connecting the adapter is plug-and-play easy – your computer powers the Sonnet adapter, so there’s no need to connect an additional power supply, and with native macOS® and Windowsupport there’s no need to install separate driver software.
MacBook Pro Connected to External Display and TV
Go Bigger

Enjoy the Web and Videos at a Distance

Even when you’re not working hard, your laptop’s screen can constrain your view. Go much bigger —  Thunderbolt to Dual 4K HDMI 2.1 Adapter enables you to connect your computer to your big screen TV or large monitor to browse the web and watch videos on YouTube and other content at a distance.

Key Features

Two 4K Monitors Icon

Connects Two 4K Displays to a Single Thunderbolt Port

Enables connection of two 4K @ 60Hz (Mac) or up to 4K @ 120Hz (Windows) HDMI displays to a single Thunderbolt port on your computer.

Expands Your Onscreen Work and Play Area Icon

Expands Your Onscreen Work and Play Area

Open multiple applications on different displays, view your work on larger screens, browse the web, and watch videos.

Expands Your Onscreen Work and Play Area Icon

8K @ 60Hz and Dual 4K @ 120Hz Display Support

Higher resolution and faster refresh rate supported with select Windows  computers.

Supports Other Resolutions Icon

Supports Other Resolutions

Also supports 1080P and other lower resolution displays @ 60Hz.

Automatic Setup, Bus Powered Icon

Automatic Setup. Bus Powered.

Sonnet adapter uses operating system drivers, draws power from Thunderbolt port.

Supports Audio Icon

Supports HDMI Audio

Passes audio through the cable connecting your display.

Won't Drain System Resources Icon

No Impact on Your Computer’s Performance

Unlike many USB video adapters, this Sonnet Thunderbolt adapter won't drain system resources.

Apple M Series CPU Icon

Apple® M Series Pro/Max/Ultra Compatible

Compatible with your M series Pro, Max or Ultra Mac computer.

Intel Mac and Windows Compatible Icon

Intel Mac and Windows Compatible

Compatible with Intel-based Mac and Windows Thunderbolt computers.

Free Lifetime Tech Support

Free Lifetime Tech Support

‍Sonnet was established in Irvine, California in 1986. Since then, we’ve pioneered and brought to market many innovative and award-winning products that enhance the performance and connectivity of Mac, Windows, and other industry-standard computers. Many of our employees have been with the company for more than 20 years. We have a wealth of knowledge about our current and past products. Should you ever need technical support on one of our products, contact us; we’ll be around to help you.

Four 4K HDMI Monitors Connected to MacBook Pro with Two Thunderbolt Dual HDMI Adapters
Expand Your View

Connect Four HDMI Displays Over Thunderbolt

Connect four displays to your Intel-based Mac with four Thunderbolt ports. With two Thunderbolt to Dual 4K HDMI 2.1 adapters connected to your computer, connect two displays to each adapter and configure settings to extend your desktop on the connected displays. And because your computer powers the Sonnet adapters, there’s no need to connect additional power supplies.
Conference Room Display
Not Just for 4K Displays

Supports Full HD (1080p) Displays and Audio Out

While Thunderbolt to Dual 4K HDMI 2.1 Adapter supports two 4K @ 60Hz monitors, you can also use it to connect monitors with lower resolutions, like full HD 1080p (1920x1080) @ 60Hz — this makes it great for use for different home and work applications. Because audio support is built into the Sonnet adapter, you don’t have to plug in a separate cable to hear sound from connected displays.
Supports Audio Out IconThunderbolt Dual HDMI 2.1 Adapter Connected to a MacBook Pro and a HP Laptop
M1 Pro, M1 Max, and Intel Mac/Windows Computers
Optimal HDMI Video Performance Over Thunderbolt

Compatible with M series Pro/Max/Ultra Macs, and Intel Mac and Windows Thunderbolt Computers

see Tech Specs for full compatibility info

Thunderbolt to Dual 4K HDMI 2.1 Adapter is ideal for many computers with Thunderbolt ports. Thunderbolt’s 40Gbps interface lets you run Ultra HD 4K resolution at 60Hz on both displays at full performance. Need dual 4K monitor support with your basic M series Mac or Intel or AMD PC without Thunderbolt? Check out USB 3 DisplayLink to Dual 4K 60Hz HDMI Adapter and USB-C to Dual 4K 60Hz HDMI Adapter.
‍
See the chart below to determine the best Sonnet adapters and display configurations for your computer.
Display Adapter Recommendation
Comuter Icon
Two HDMI Displays Icon
Computer
Recommendation for Two 4K 60Hz External Displays
  • Computers with Thunderbolt 3 ports or Thunderbolt 4 ports
    (Includes M series Pro/Max/Ultra Macs)
    • Basic M series Macs with Thunderbolt/USB4 ports
    • PCs with USB 3 or USB4 ports
    • Thunderbolt 3 Ultrabooks with single display support
      Sonnet HDMI Adapters
      Computer
      Two 4K 60Hz HDMI Displays
      Four 4K 60Hz HDMI Displays
      Comuter Icon
      Two HDMI Displays Icon
      Four Displays Icon
      M1 Mac
      DisplayLink Dual HDMI Adapter for M1 Macs
      DisplayLink Dual HDMI Adapter for M1 Macs
      DisplayLink Dual HDMI Adapter for M1 Macs
      M1 Pro or M1 Max Mac
      Mac with four Thunderbolt 3 ports (except Mac mini)
      Thunderbolt Dual HDMI Adapter
      Thunderbolt Dual HDMI Adapter
      Thunderbolt Dual HDMI Adapter
      Mac with two Thunderbolt 3 ports
      Mac mini with four Thunderbolt 3 ports
      Windows computer with Thunderbolt 3* or 4 ports
      Thunderbolt Dual HDMI Adapter
      Thunderbolt Dual HDMI Adapter
      DisplayLink Dual HDMI Adapter for M1 Macs
      MacBook or WIndows computer with only USB ports
      DisplayLink Dual HDMI Adapter for M1 Macs
      DisplayLink Dual HDMI Adapter for M1 Macs
      DisplayLink Dual HDMI Adapter for M1 Macs
      * Not all Windows Thunderbolt 3 computers support two displays over Thunderbolt. Check the specifications for your computer.
      If your computer supports only one 4K display over Thunderbolt 3, then you can substitute a DisplayLink Dual HDMI 2.0 Adapter for M1 Macs.
      DisplayLink Dual HDMI 2.0 Adapter for M1 Macs
      DisplayLink Dual HDMI Adapter for M1 Macs
      Buy Now ›
      Thunderbolt Dual HDMI 2.0 Adapter
      Thunderbolt Dual HDMI Adapter
      Learn More ›
      Display Adapters Recommendation
      HDMI Display Icon
      Computer
      • Computers with Thunderbolt 3 ports or Thunderbolt 4 ports (Includes M1 Pro/Max/Ultra, M2 Pro/Max/Ultra, M3 Pro/Max)
      Recommendation for Two 4K 60Hz External Displays
      Computer
      • M1/M2/M3 Macs with Thunderbolt/USB4 ports
      • PC computers with USB 3 or USB4 ports
      • Thunderbolt 3 Ultrabooks with 1 display support
      Recommendation for Two 4K 60Hz External Displays
        Sonnet HDMI Adapters
        Computer
        Two 4K 60Hz HDMI Displays
        Four 4K 60Hz HDMI Displays
        Comuter Icon
        Two HDMI Displays Icon
        Four Displays Icon
        M1 Mac
        DisplayLink Dual HDMI Adapter for M1 Macs
        DisplayLink Dual HDMI Adapter for M1 Macs
        DisplayLink Dual HDMI Adapter for M1 Macs
        M1 Pro or M1 Max Mac
        Mac with four Thunderbolt 3 ports (except Mac mini)
        Thunderbolt Dual HDMI Adapter
        Thunderbolt Dual HDMI Adapter
        Thunderbolt Dual HDMI Adapter
        Mac with two Thunderbolt 3 ports
        Mac mini with four Thunderbolt 3 ports
        Windows computer with Thunderbolt 3* or 4 ports
        Thunderbolt Dual HDMI Adapter
        Thunderbolt Dual HDMI Adapter
        DisplayLink Dual HDMI Adapter for M1 Macs
        MacBook or WIndows computer with only USB ports
        DisplayLink Dual HDMI Adapter for M1 Macs
        DisplayLink Dual HDMI Adapter for M1 Macs
        DisplayLink Dual HDMI Adapter for M1 Macs
        * Not all Windows Thunderbolt 3 computers support two displays over Thunderbolt. Check the specifications for your computer.
        If your computer supports only one 4K display over Thunderbolt 3, then you can substitute a DisplayLink Dual HDMI 2.0 Adapter for M1 Macs.
        DisplayLink Dual HDMI 2.0 Adapter for M1 Macs
        DisplayLink Dual HDMI Adapter for M1 Macs
        Buy Now ›
        Thunderbolt Dual HDMI 2.0 Adapter
        Thunderbolt Dual HDMI Adapter
        Learn More ›
        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.

        Thunderbolt to Dual HDMI 2.1 Adapter

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