JCA399 USB-C® to HDMI™ 4K144Hz & USB™ 3.2 with Power Delivery 100W

Model: JCA399

The JCA399 adapter adds extra functionality to your laptop, tablet, or smartphone. The adapter’s small size makes it easy to transport and place on a desk while saving space.

This adapter allows you to connect a display such as a monitor or TV to your device and supports resolutions up to 4K 144 Hz. Includes a 5Gbps USB™ Type-A port and a USB-C® Power Delivery port that can be used to charge your laptop when a USB-C® power adapter is connected.

The 4K144 HDMI™ port supports Extended, and Mirrored display modes. It come with a 5Gbps USB™ Type-A that allows you to connect USB™ peripherals such as a USB™ flash drive, keyboard, or mouse. The USB-C® port supports upstream charging and Power Delivery 3.0 100W to keep your connected mobile device powered up while in use.


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Portable 3-in-1 Design

Integrate 4K144 HDMI™, USB™ Type-A, and PD pass-through charging. 3 ports working simultaneously.

Stunning HDMI™ 4K144Hz Display

Elevate your gaming and visual experience with seamless support for high resolution and refresh rate.

Supports PD pass-through charging

Charging your laptop with PD pass-through charging up to 85W and powering up connected peripherals.

High Speed USB™ Type-A 5Gbps

Connect various peripherals and transfer large files in seconds.

Universal Compatibility

Compatible with USB-C® devices such like iPhone® 15, MacBook®, laptops, iPad®, Steam Deck™, and other devices.

Plug & Play, Set Up Without Any Hassle

Use the device immediately - no driver installation required.

Suitable for gamers and professionals

  • Supports HDMI™ resolution up to 4K @ 144 Hz
  • DisplayPort™ Alternate Mode for HDMI™
  • Supports USB™ Type-A 3.2 Gen 1 port, transfer rates up to 5Gbps. Backward compatible with USB™ 3.1 / 3.0 /2.0
  • Supports power delivery 3.0 upstream charging up to 100W
  • Plug-and-play, no driver installation is required
audio supported
host connector

1 - USB-C® Male

network interface

1 - HDMI™ 4K @ 144 Hz

1 - USB™ Type-A 3.2 Gen1 5Gbps

1 - USB-C® with Power Delivery 3.0 upstream charging up to 100W

power source
Bus-powered or self-powered
video output

1 - HDMI™ Female

2 Year Limited
audio channel
compatible networks
displays supported


max data transfer rate


max display refresh rate

144 Hz

max display resolution

3840 x 2160 @144Hz
2560 x 1440 @144Hz
1920 x 1080 @144Hz

Mouse Specifications
pd input current
Up to 5A
pd input voltage
Up to 20V
pd output current
Up to 4.5A
pd output voltage
Up to 20V
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 temperature
30 to 106°F (-1 to 41°C)
product depth
1.8 in./45 mm
product height
0.43 in./11 mm
product weight
1.11 oz /31.5 g
product width
3 in./75 mm
storage temperature
0 to 155°F (-17 to 68°C)
Wireless Protocols
Package Contents
  • 1 - USB-C® to HDMI™ 4K144Hz & USB™ 3.2 with Power Delivery 100W (JCA399)
  • 1 - Quick Installation Guide (QIG)
System Requirements
  • Available USB-C® port that supports DisplayPort™ Alt Mode and USB™ Power Delivery 2.0 or 3.0
  • DisplayPort™ v1.4 with DSC is required on graphics card or video source to support 4K @ 144 Hz. If your system only supports DisplayPort™ v1.4 (without DSC), the 4K resolution will be displayed at 60 Hz.
  • Available USB™ Power Delivery over USB-C® to support charging to a mobile device.
Special Notes
  • The adapter can connect to an USB-C® port that doesn’t support Power Delivery, but it will not pass power through the connected device.
  • If you are using a high-powered USB™ device, attach the USB-C® power adapter to the power delivery port to ensure maximum performance. When using your USB-C® power adapter, the multi-adapter powers both the adapter (with attached peripherals) and your laptop.
  • To ensure files copy completely, do not remove the USB-C® power adapter while copying files. For maximum performance, use a computer and USB-C® power adapter equipped with PD 3.0.
  • The device may become warm to moderately hot while transferring bulk data or while a USB-C® power supply is plugged in.