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8K USB-C® to Dual HDMI™ Display Adapter

Dual displays for Windows® devices
Connect a display to macOS® and Chrome OS™ devices
Model: JCA465
$ 74.99 $ 89.99

Our 8K USB-C® to Dual HDMI™ Display Adapter allows you to conveniently connect your gaming laptop, Chromebook™, or tablet to Dual 4K60Hz monitors or an 8K 60Hz UHD / 4K 144Hz external monitor, 8K UHDTV, projector and other display device using an HDMI™ input.

This adapter offers the latest USB-C® to HDMI™ connection, letting you connect to two HDMI™ displays to the latest laptops. Also works with Thunderbolt™ 4 and USB4® devices.



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Easily connect two monitors for better work and gaming experience

High Quality Video Experience with 8K 60Hz Resolution

Maximize your video experiences with 8K 60 Hz refresh rates

For gamers and professionals that need the highest resolution

Supports 4K 144 Hz UHD resolution for a smooth gaming experience with sharp images

Dual 4K Display support

Create a dual 4K display workstation on compatible USB-C® laptops with DisplayPort™ 1.4 and Multi-Stream Transport (MST)

Ideal accessory for USB-C® laptop

Also works with Thunderbolt™ 4 and USB4® laptop

Quick Setup

Use the device immediately without the hassle of installing a driver

  • This adapter allowing for resolutions up to single 8K or dual 4K for gamers and professionals that need the highest resolution.
  • Connect a USB-C® port with DP™ 1.4 Alt Mode protocol (backwards compatible with DP™ 1.2 Alt Mode) enabled host devices to get Dual 4K or single 8K video to HDMI™ enabled TVs for display
  • Ideal accessory for Windows® laptop computers with a USB-C® port
  • No driver installation required
audio supported
host connector

USB-C® Male (DP™ 1.4 Alt Mode)


2 - HDMI™

power source
usb pass-through


video output

HDMI™ 2.1 Female

2 Year Limited
audio channel
2.1 via HDMI™
displays supported


max display refresh rate

1920 x 1080 @ 144Hz
2560 x 1440 @ 144Hz
3840 x 2160 @ 144 Hz
7680 × 4320 @ 60 Hz

max display resolution


DP™ 1.4 with DSC:
3840 x 2160 @ 144 Hz
7680 × 4320 @ 60 Hz

DP™ 1.4 without DSC:
7680 x 4320 @ 30 Hz


DP™ 1.4 with DSC:
3840 x 2160 @ 60 Hz x 2

DP™ 1.4 without DSC:
3840 x 2160 @ 60 Hz
3840 x 2160 @ 30 Hz

Mouse Specifications
Physical Specifications
cable length
7.87 in / 200 mm
Space Gray/Black
enclosure type
Aluminum/ Plastic
operating humidity
< 85% non-condensing
operating temperature
32 to 113°F (0 to 45°C)
product depth
1.77 in / 45 mm
product height
0.47 in / 12 mm
product weight
1.76 oz / 50g
product width
3.15 in / 80 mm
storage humidity
< 85% non-condensing
storage temperature
14 to 160°F (-10 to 71°C)
Wireless Protocols
Package Contents
  • 1 - 8K USB-C® to Dual HDMI™ Display Adapter (JCA465)
  • 1 - Quick Installation Guide (QIG)
System Requirements
  • Available USB-C® port that supports DisplayPort™ Alt Mode
  • GPU and video source must support DisplayPort™ 1.4 with DSC to achieve single 8K @ 60Hz or Dual 4K @ 60Hz resolution
Special Notes
  • macOS® does not support MST, the displays connected to the JCA465 will only mirror each other.
  • The resolution may be limited to 4K @ 60 Hz with macOS® and iPadOS® devices.
  • DP™ 1.4 is required on Chrome OS™ for dual 4K60 output. The device listed as below: -Chromebook™ Spin 713
  • DP™ 1.2 Chrome OS™ devices only support single 4K60, dual 4K30, or dual 1080p60.