Sonnet Thunderbolt Dual 4K HDMI 2.1 Adapter

HDMI, 8.50 cm
Delivered between Tue, 14.4. and Thu, 16.4.
Only 2 pieces in stock at supplier
free shipping

Product details

The Sonnet Tech Thunderbolt Dual HDMI 21 Adapter from SoNNeT allows for the simultaneous connection of two HDMI displays to a Thunderbolt-enabled computer, supporting resolutions of up to 4K at 60 Hz on both monitors. This compact adapter measures 8.5 cm in length, 3.2 cm in width, and 1.5 cm in height, weighing just 45 g, making it particularly portable for mobile professionals. It offers Thunderbolt 3 compatibility with a USB-C connector and does not require an external power source for operation. The adapter supports extended desktop mode, mirror mode, and mixed resolution configurations for flexible workspace arrangements. The aluminum casing ensures durability and effective heat dissipation, providing stable performance even during prolonged use. It is compatible with macOS and Windows operating systems that support Thunderbolt 3 or USB-C DisplayPort Alt Mode. It includes HDCP 2.2 support for protected content playback and maintains signal integrity through shielded cables and gold-plated connectors. This solution is particularly suitable for users who need additional display connectivity without occupying multiple computer ports, offering reliable performance for presentations, multitasking, and creative workflows. The adapter operates within a temperature range of 0 °C to 40 °C and comes with a 15 cm Thunderbolt 3 cable for convenient connection. The plug-and-play functionality requires no additional drivers on most systems, providing immediate setup convenience. The product represents a successor to previous dual-display adapters with improved compatibility for modern display standards.

Key specifications

Adapter type
Combination
Main device port
Thunderbolt 3USB-C
Peripheral port
HDMI
HDMI version
2.1
Length
8.50 cm

General information

Item number
45368310
Manufacturer
Sonnet
Category
Notebook adapters
Manufacturer no.
TB-DHDMI-21
Release date
30.4.2024
External links

Connections

Adapter type
Combination
Main device port
Thunderbolt 3USB-C
Peripheral port
HDMI
HDMI version
2.1

Colour

Colour
BlackGrey

Cable properties

Cable Application
Video
Max. picture resolution
3840 x 2160 pixels

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
15.72 kg
Climate contribution
CHF 0.37

Product dimensions

Length
8.50 cm
Width
3.20 cm
Height
1.50 cm
Weight
45 g

Package dimensions

Length
17.90 cm
Width
8.20 cm
Height
2.50 cm
Weight
137 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Notebook adapters» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Sonnet
    Not enough data
  • 1.Axagon
    0 %
  • 1.CSL
    0 %
  • 1.Dell
    0 %
  • 1.Graugear
    0 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Sonnet
    Not enough data
  • 1.4smarts
    0 days
  • 1.Apple
    0 days
  • 1.Delock
    0 days
  • 1.Digitec
    0 days

Return rate

How often is a product of this brand in the «Notebook adapters» category returned?

Source: Digitec Galaxus
  • Sonnet
    Not enough data
  • 1.Kensington
    0 %
  • 2.Helos
    0.2 %
  • 2.LC-Power
    0.2 %
  • 4.Shiverpeaks
    0.4 %
Source: Digitec Galaxus