USB-C® to 4K HDMI™ Ethernet Adapter

Model: JCA351-N
599 kr

Add extra functionality to your laptop with the JCA351 USB-C® to 4K HDMI™ Ethernet Adapter. This adapter allows you to add an additional 4K HDMI™ monitor, connect to a Gigabit Ethernet network, and includes a USB-C® Power Delivery port that can be used to charge your laptop when a USB-C® power adapter is connected.

Display Alt Mode for HDMI™ supports a resolution up to 4K with Primary, Extended, and Mirrored display modes. The JCA351 supports upstream charging and Power Delivery 3.0 100W to keep your connected laptop powered up while in use.



All the connections you need for maximum productivity

Supports up to 4K resolution

The HDMI™ port allows you to mirror or extend your screen and directly output 4K UHD video to an HDTV, monitor, or projector

100W Power Delivery Pass-Through

The JCA351 supports upstream charging and Power Delivery 3.0 100W to keep your connected laptop powered up while in use

Universal Compatibility

Works with a variety of USB-C® devices, including tablets, phones, and laptops

Easily add a wired network connection with the Gigabit Ethernet

This device allows you to add an additional 4K HDMI™ monitor and Gigabit Ethernet

Plug and Play

No driver installation needed

Connect Effortlessly

  • Plug and play – No software or drivers required
  • Power delivery 3.0 provides up to 100W of power passthrough
  • Reversible and symmetrical USB-C® connector
  • DisplayPort™ Alt Mode for HDMI™
  • Supports up to 4K resolution
  • Reliable network connectivity via the Gigabit Ethernet port
audio supported
host connector



1 – USB-C® PD for upstream charging

1 – 4K HDMI™ Output

1 – Gigabit Ethernet

power source
Bus-Powered, Self-powered
usb pass-through


video output


2 Year Limited
audio channel
2.1 via HDMI™
displays supported


max data transfer rate


max display refresh rate

30 Hz

max display resolution

3840 x 2160

Mouse Specifications
pd input current
Up to 20V
pd input voltage
Up to 5A
pd output current
Up to 20V
pd output voltage
UP to 4.5A
power consumption
≤ 350 mA
power delivery
Up to 100W via USB-C®
Physical Specifications
cable length
7.87 in. (20 cm)
enclosure type
ABS Plastic
operating humidity
< 85% non-condensing
operating temperature
32 to 118°F (0 to 47°C)
product depth
0.55 in. (14 mm)
product height
1.96 in. (50 mm)
product weight
1.83 oz (52g)
product width
3.14 in. (80 mm)
storage humidity
< 85% non-condensing
storage temperature
14 to 140°F (-10 to 65°C)
Wireless Protocols
Package Contents
  • 1 - JCA351 USB-C® to 4K HDMI™ Ethernet Adapter
  • 1 - Quick Installation Guide (QIG)
System Requirements
  • Available DisplayPort™ Alternate Mode over USB-C® connector required
  • DisplayPort™ v1.2 required on graphics card or video source to support 4K @ 30 Hz resolution.
  • Available USB-C® port (USB™ 3.1 is recommended) with support for USB™ Power Delivery and DisplayPort™ Alternate Mode to ensure proper functionality.
  • Windows® 11,10 / macOS® / Chrome OS™
Special Notes
  • DisplayPort™ Alternative mode is required to output to a display via the HDMI™ port.
  • Windows® 10-11 / macOS® / Chrome OS™ compatible
  • If you are using a high-powered USB™ device, please attach a USB-C® power adapter to the JCA351 power delivery port for maximum performance.
  • To ensure files copy completely, do not remove the USB-C® power adapter while copying files.
  • Power adapter not included. If applicable, please use the power adapter that came with your computer.
  • Your mobile device might require more power than your charger allows when using the adapter and charging your device simultaneously. To ensure the JCA351 powers and charges your mobile device while in use, a higher wattage power adapter may be required.