Supercharge your workspace or gaming hub with a single multi-performance hub. The j5create JCA399G is an elite, high-speed USB-C to 4K HDMI multi-port adapter engineered to drive ultra-high-refresh-rate video while simultaneously expanding your data connection channels. Built for demanding users, it outputs stunning 4K visuals at an ultra-smooth 144Hz while expanding your laptop or smartphone setup with 10Gbps USB ports and up to 100W Power Delivery pass-through. It is the ultimate plug-and-play solution to convert any solo USB-C or Thunderbolt port into an uncompromised high-definition power docking station.

Key Features

➔ Next-Gen 4K @ 144Hz Resolution: Fully supports ultra-high-definition video streaming up to 4K @ 144Hz or 8K @ 30Hz, eliminating lag and motion blur for extreme gaming and sharp content creation.

➔ Blazing-Fast 10Gbps Data Transfer: Outfitted with high-speed USB-C and USB-A 3.2 Gen 2 ports that transfer huge 4K videos, massive project files, or image libraries in a matter of seconds.

➔ 100W Power Delivery Pass-Through: Keeps your power-hungry laptop, MacBook, or smart device fully charged while simultaneously handling multiple high-data workflows and premium video outputs.

➔ Dynamic HDR Support: Displays rich, vibrant color mapping with deep contrasts for cinematic entertainment formats and advanced photo/video editing.

➔ Durable & Premium Aluminum Housing: Styled with a sleek, heat-dissipating aluminum metal finish that minimizes electromagnetic interference while blending beautifully with your modern premium workspace gear.

Technical Specifications

Component / Feature	Specification
Manufacturer Model	➔ JCA399G
Host Connection (Input)	➔ USB Type-C Male Connector
Video Port (Output)	➔ 1 x HDMI Type A Female (Supports 8K @ 30Hz / 4K @ 144Hz / 2K @ 240Hz)
USB Data Ports	➔ 1 x USB Type-C 3.2 Gen 2 (10Gbps), 1 x USB Type-A 3.2 Gen 2 (10Gbps)
Power Delivery Port	➔ 1 x USB-C Female (Supports up to 100W Power Delivery 3.0 Pass-Through)
HDCP Compliance	➔ HDCP 2.3 and HDCP 1.4 Secure Digital Media Protection
Housing Material	➔ Premium Space Grey Aluminum Alloy
Cable Length	➔ 150 mm (Approx. 5.9 inches)
Product Dimensions	➔ 70(W) x 43.5(H) x 13.5(D) mm
Product Weight	➔ Lightweight ~56 grams

Hardware Requirements & Display Support

⚠️ Important Note: To unleash full 8K or 4K@144Hz display resolutions, your host computer's USB-C port must support DisplayPort Alternate Mode (DP Alt Mode) 1.4 or higher, and your HDMI cable/display must meet HDMI 2.1 specifications.

Platform & Hardware Compatibility

► Apple Ecosystem: Perfect native match for iPhone 15/16 Pro and Max series, iPad Pro/Air (USB-C), and MacBook Pro or Air lineups powered by M1, M2, or M3 processing silicone.

► Windows Laptops & Desktops: Natively compatible with Dell XPS, ASUS ROG, MSI Gaming laptops, Lenovo ThinkPad, and any workstation hosting Thunderbolt 3, Thunderbolt 4, or USB4 configurations.

► Operating Systems: Driverless, instant configuration across Windows, macOS, ChromeOS, iPadOS, and Android.

► High-End Displays: Tailor-made for premium 4K high-refresh-rate gaming screens, commercial UHD editing panels, and standard living room Smart TVs.

Ideal For

➔ High-Frame Gaming Enthusiasts: The perfect tool to bridge a gaming laptop or portable handheld console directly to a 144Hz or 240Hz monitor without losing refresh fluidness.

➔ On-The-Go Content Creators: Ideal for video editors or photographers who require ultra-fast 10Gbps external SSD transfers combined with uncompressed 4K reference screen feeds.

➔ Single-Port Laptop Professionals: Great for modern laptop users wanting a tiny, premium hub that handles a 4K display, accessory mouse, and laptop charger over one single wire.

➔ Smartphone Desktop Users: Excellent for setting up mobile workstation environments (like Samsung DeX) directly from a smartphone screen with interactive peripheral support.