⚡ Just Arrived: OWC Envoy Ultra Thunderbolt 5 SSD Now in 8TB – Extreme Speed, Massive Storage!

Flexx International Ltd
  • 0
No result found for your search.
  • Home
  • Adapters
  • Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
  • electro-track-order-icon
  • Free Delivery
  • electro-thumb
  • 99% Customers
    Feedback
  • electro-return-icon
  • 30 Days
    Return Policy
  • electro-payment
  • Payment
    Secure System
  • electro-brands-icon
  • Only Best
    Brands
Categories
  • Mac Upgrades Hub
    • iMac Upgrades
    • Mac Pro Upgrades
    • Mac Studio Upgrades
    • Mac Mini Upgrades
    • MacBook Pro Upgrades
    • MacBook Air Upgrades
    • MacBook Upgrades
    • MacBook Neo Upgrades
  • Mac Upgrade Components
    • RAM Upgrades
    • Internal SSD Upgrades
    • External Storage
    • Docking Stations & Hubs
    • Enclosures
    • Adapters
    • Expansion Cards
    • Batteries
    • M Series Macs
    • Mac PCIe Expansions
    • Mac Upgrade Tools
    • Accessories
  • Memory
    • Laptop/Notebook RAM
    • Desktop RAM
    • Server RAM
    • Gaming RAM
    • RAM Upgrades
  • Storage
    • Internal Storage
    • External Storage
    • External Storage By Connection
    • Encrypted Storage
    • Removable Storage
    • Media & Card Readers
  • Docks & Connectivity
    • Docks/Hubs
    • Enclosures by Type
    • Enclosures by Connection
    • Thunderbolt PCIe Expansion Systems
    • Cables
  • Adapters
    • Drive Adapters
    • Display Adapters
    • Network Adapters
    • Converters/Brackets
    • Expansion Cards (PCIe)
  • Batteries
    • MacBook Pro Battery
    • MacBook Air Battery
    • MacBook Battery
  • Power and Tools
    • Tools & Service Kits
    • Chargers/PSU
  • Peripherals
    • Keyboards
    • Mice
    • iPhone/iPad/Mac Accessories
  • Audio & Visual
    • Video Capture & Streaming
    • Audio & Video
    • Monitors/TVs
  • Bundles
  • Clearance
    • Sale
    • Open Box Items
  • More
    • Components
    • Dashcams/Bodycams
    • Game Console Upgrades
    • Virtual Reality headset - VR
% £-110.49
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter
Sonnettech

Sonnet Thunderbolt 3 Dual 4K HDMI 2.1 Adapter

No reviews
Product SKU: TB-DHDMI-21
Available:
Only 1 item in stock
1 item in stock
In stock
Pre-order
Out of stock
£110.49
 
 
Want it delivered by
  • Description
  • Specifications
  • Compatibility
  • Product Videos
  • Reviews

Elevate your display capabilities with the Thunderbolt Dual 4K HDMI 2.1 Adapter, designed to seamlessly connect two high-resolution displays to a single Thunderbolt port on your computer.

This cutting-edge adapter supports dual 4K displays at 60Hz for Mac users and up to an impressive 4K at 120Hz for Windows users, ensuring a smooth and vivid visual experience.

For Windows systems, it even supports 8K at 60Hz and dual 4K at 120Hz, making it perfect for demanding applications and high-end gaming. Whether you're using 1080P or other lower resolution displays, this adapter maintains a steady 60Hz refresh rate, providing versatility for various setups.

Key Features:

  • Automatic Setup & Bus Powered: The Sonnet adapter uses operating system drivers and draws power directly from the Thunderbolt port, eliminating the need for external power sources and ensuring a hassle-free installation.
  • No Performance Impact: Unlike many USB video adapters, this Thunderbolt adapter does not drain system resources, ensuring your computer's performance remains unaffected.
  • HDMI Audio Support: It passes audio through the HDMI cable, delivering high-quality sound directly to your connected displays.
  • Broad Compatibility: Compatible with Apple M Series Pro/Max/Ultra, Intel-based Macs, and Windows Thunderbolt computers.

Enhance your productivity and entertainment experience with the Thunderbolt Dual 4K HDMI 2.1 Adapter, the ideal solution for maximizing your display potential. Now shipping, get yours today and experience unparalleled visual performance.

  • Part Number: TB3-DHDMI-21
  • Warranty: 2-year
  • Form Factor: Display adapter
  • Bus Interface: 40Gbps Thunderbolt
  • External Connectors: Two HDMI, Thunderbolt captive cable
  • Standards: HDMI 2.1, HDCP 2.2
  • Supported Resolutions:
    • macOS: Up to 3840 x 2160 @ 60Hz(3)
    • Windows: Up to 7680 x 4320 @ 60Hz
  • Dimensions (WxDxH): 2.4 x 4.4 x 0.6 in. (60 x 113 x 15 mm)
  • Compliance: RoHS 3 (Directive 2015/863), IEC62368-1 and IEC62368-2 Safety
  • Package Contents: Thunderbolt to Dual 4K HDMI 2.1 Adapter (with captive 7.9-inch [20cm] Thunderbolt cable), Documentation
  • Product Manual PDF: Download Here
  • Mac Compatibility:
    • Mac (M series Pro or Max) supports two 4K monitors with one Sonnet adapter
    • Mac (M series Ultra) supports four 4K monitors with two Sonnet adapters
    • Mac (Intel®) with two Thunderbolt 3 ports supports two 4K monitors with one Sonnet adapter
    • Mac (Intel) with four Thunderbolt 3 ports (except Mac mini) supports four 4K monitors with two Sonnet adapters(1)
    • Basic M series Macs are not compatible (see Sonnet's DisplayLink adapters for dual monitor support)
    • macOS® 10.12.6+
    • macOS Sonoma compatible
  • Windows Compatibility:
    • Windows computer with Thunderbolt 4 or Thunderbolt 3 ports(2)
    • Windows 11 and 10
  • Monitor Compatibility: EDID Version 1.4
  • Application Compatibility: Suitable for all applications

Customer Reviews

Be the first to write a review
Write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Flexx International Ltd
Got questions? Call us
0800 195 4072
Follow Us
Policies
  • Return and refund policy
  • Shipping Policy
  • Cancellation policy
  • Terms of Service
  • Privacy Policy
  • Legal Notice
Company Info
  • Knowledge Base
  • Contact Us
  • About us
  • FAQ's
  • Blog
Shop
  • Mac Upgrades Hub
  • Mac Upgrade Components
  • Memory
  • Storage
  • Docks & Connectivity
  • Adapters
  • Batteries
  • Power and Tools
  • Peripherals
  • Audio & Visual
  • Bundles
  • Clearance
  • More
Mac Upgrades Hub
  • Mac Upgrades Hub
© 2026 Flexx International Ltd. All Rights Reserved | Made by Banbridge Website Studio
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • iDEAL Wero
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • USDC
  • Visa
  • Flexx International Ltd
Product successfully added to your Shopping Cart
Continue shopping View cart