4XEM Inc.

Adapters & Peripherals

4XEM’s Thunderbolt 3 8K Dual DisplayPort Adapter


SKU 4XUTA21D UPC 841567000429

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4XEM’s Thunderbolt 3 8K Dual DisplayPort Adapter

4XEM’s Thunderbolt™ 3 Dual DisplayPort adapter, is offering single-cable connectivity to large high-resolution monitors or multiple monitors. With this it able to achieve the previously impossible feat of using a single port video maximum output resolution at 8K 30Hz for professional users, you can have two times the screen space compared to 4K monitor. The adapter also supports dual Full HD display at 144Hz output as a favorite for gaming users, and dual 4K resolution at 60Hz output for business users. The adapter won’t drain system resources, you can work more efficiently from your laptop, so you can accomplish more in the same amount of time.


  • Thunderbolt 3 second generation JHL7440 chipset solution
  • Support DisplayPort DP1.4
  • Support DisplayPort RBR (Reduced Bit Rate) HBR (High Bit Rate) HBR2 HBR3, transmission rate maximum up to 32.4 Gbit/s
  • Support High Definition Copy Protocol (HDCP2.2)
  • Support Adaptive Sync (many famous graphic cards build in already)
  • Support High Dynamic Range HBR(2.7Gbps), HBR2(5.4Gpbs), HBR3(8.1Gbps)
  • TBT3 host computer under HBR3, adapter support single display resolution maximum up to 8K (7680 x 4320) @30Hz
  • TBT3 host computer under HBR2, adapter support dual display resolution maximum up to 4K (4096 x 2160) @60Hz or Full HD@144Hz (gamer favorites)
  • USB3.1 Type-C computer with VESA Alternate Mode under HBR3, adapter support single display resolution maximum up to 5K (5120 x 3200)@30Hz (not recommended for point promotion, cause of many users have confusion of Type-C features)


Warranty Information Warranty 2 Years
Hardware 4K Support Yes
  Displays Supported 2
  USB Ports No
  Fast-Charge Port(s) No
  Network No
  SD Card Reader No
  Audio No
  Host Bus Type Thunderbolt 3
  Power Delivery No
  Lock Slot No
  Industry Standards DisplayPort 1.4
    HDCP 2.2
  Chipset ID Titan Ridge JHL7440
Connector(s) Host Connectors Thunderbolt 3 (40Gbps)
  Host Connector Cable Fixed Attatched
  Connector Type(s)/Rate(s) 2x DisplayPort 1.4 (HBR3: 8.10Gbps x4)
Performance Maximum Digital Resolutions Single Monitor: 8K (7680 x 4320 @ 30Hz) – Requires HBR3 support from host
    Dual Monitors: 4K UHD (3840 x 2160 @ 60Hz) Each
Software OS Compatibility Windows 10
    Mac OS 10.x or higher
    Computer with Tunderbolt 3 port
Power Power Source Bus Power
  Power Adaptor Style N/A
  Power Consumption 4W
  Input Voltage 5V
  Input Current 0.8A
  Output Voltage N/A
  Output Current N/A
  Power Delivery N/A
Physical Characteristics Product Height 0.68 in [17.2 mm]
  Product Width 2.54 in [64.6 mm]
  Product Length 3.92 in [99.6 mm]
  Weight of Product 4.94 oz [140 g]
  Color Grey
  Material Aluminium
  Cable Length 17 in [431.8 mm]
  Power Button N/A
  Status LEDs Power: Blue
Environmental Operating Temperature 0ºC~40ºC
  Storage Temperature -10℃~70℃
  Humidity 10%~90%,noncondensing
Packaging Information Shipping (Package) Weight 9.95 oz [282 g]
  Package Height 7.99 in [203 mm]
  Package Width 4.37 in [111.1 mm]
  Package Length 1.25 in [31.7 mm]
What’s in the Box Included in Package 1x Thunderbolt 3 8K video Adaptor
    1x User Manual
Notes 8K resolution requires DisplayPort 1.4 HBR3 (8.10Gbps) support from host device
5K (5120×2880 @ 60Hz) max resolution when connecting to a DisplayPort 1.2 HBR2 host.
* Product appearance and specifications are subject to change without notice.
* Weights and measurements are approximate.  




2 year warranty with lifetime support