JCYMELE 6-in-1 USB-C Splitter Dual 4K120Hz Hub

JCYMELE 6-in-1 USB-C Splitter is a Thunderbolt-compatible hub that powers your laptop, moves files at 10Gbps, and drives two USB-C displays up to 4K at 120Hz.

Designed for creators, multitaskers, and productivity-focused travelers, this compact dongle turns a single Thunderbolt 3/4/5 USB-C port into two high-refresh USB-C video outputs plus fast data and power delivery. It combines a 100W PD passthrough with two USB-C 3.2 data ports and DisplayPort Alt Mode video so you can charge, copy large files, and run ultra-smooth external displays from one adapter. Note: the host laptop must support Thunderbolt and the target displays and cables must support 4K@120Hz to reach maximum performance.

How does this hub handle dual external monitors?

The adapter supports two USB-C displays and can output up to 4K at 120Hz when all devices and cables support that spec. Display behavior depends on your laptop: Windows machines with MST can use extended desktop across both screens, while macOS systems (SST) mirror the same image on both displays.

• Dual USB-C video outputs using DP Alt Mode
• Up to 4K resolution at 120Hz when host, monitors, and cables are compatible
• Extended mode on Windows (MST), mirrored mode on Mac (SST)
• Keep cable lengths under 1.5 m and avoid additional adapters for best results

Will it charge my laptop and keep peripherals fast?

This hub includes a 100W USB-C PD inlet so you can connect your original high-power charger and keep the laptop topped up while using peripherals. Two USB-C 3.2 data ports deliver up to 10Gbps for quick transfers of large files, though those ports are for data only and do not carry video.

• 100W PD passthrough supports high-power laptops (use original or equivalent charger)
• Two USB-C 3.2 ports at up to 10Gbps for fast external storage and devices
• Data-only ports — not for video signal output
• Improves stability during heavy data and video workloads with adequate power

What setup limits or compatibility should I know about?

To get full video and refresh-rate benefits the laptop must have a Thunderbolt 3/4/5 port and both displays and cables must support the required resolutions and refresh rates. Using intermediate adapters, older USB-C ports without Thunderbolt, or long/low-quality cables can reduce resolution, stop 120Hz operation, or prevent image transmission entirely.

• Requires Thunderbolt 3/4/5 host for full functionality
• All cables and monitors must support 4K@120Hz for that mode
• Adapters or conversion cables may block high refresh rates
• Recommended cable length: ≤1.5 meters for reliable 4K120 transmission

What comes in the box and what support is available?

The package includes the JCYMELE USB-C hub, a Type-C to Type-C cable, two USB-C to USB-A adapters, and a quick guide. JCYMELE provides a one-year after-sales warranty and customer support through the seller channel for troubleshooting or exchange requests.

• Included: USB-C hub, Type-C cable, two C-to-A adapters, manual
• 1-year after-sales warranty with responsive customer support
• Support available via the seller’s service channel for setup help

Who is this for: The JCYMELE 6-in-1 USB-C Splitter is ideal for professionals needing dual external displays from a single Thunderbolt port, content creators who demand high-refresh video playback, and road-warriors who want one compact adapter for charging, fast file transfer, and high-resolution monitor output. Choose this hub if your laptop supports Thunderbolt and you want a portable, all-in-one solution to expand display, power, and data ports without carrying multiple adapters.