Lemorele TCA520A USB-C Video Splitter, Dual 4K@60Hz, 100W PD

Usage tips

The aluminum-alloy Lemorele TCA520A turns one compatible USB-C connection into two USB-C video outputs, making it useful for a laptop workstation, a handheld gaming setup, or viewing through AR glasses. It supports dual 4K@60Hz output through DP Alt Mode, and its integrated 10.24-inch input cable avoids carrying a separate host cable.

For Windows, MST can extend the desktop across two independent displays. Connect a 100W PD charger when using both video outputs to help prevent unstable transmission, the connected displays need their own power.

Pros

The main advantage is having two video outputs and power pass-through in one compact adapter. With a compatible Windows laptop, you can keep separate content on two screens for tasks such as referencing a document on one display while working on another. The adapter is also designed for Steam Deck, Switch 1 and Switch 2, as well as compatible portable monitors and AR glasses.

Its USB-C PD port accepts up to 100W of input and provides up to 85W pass-through charging to the host. Plug-and-play operation means no driver installation is required. For travel or a temporary desk setup, that combination can be more convenient than carrying a larger docking station when USB data ports are not needed.

What to know

The source device must support DisplayPort Alternate Mode video over USB-C, a charge-only USB-C port will not work. Compatibility names alone do not guarantee video output from every configuration, so DP Alt Mode support is essential. macOS is limited to mirrored content on both screens rather than an extended desktop, which matters if separate workspaces are the reason for buying a dual-display adapter.

This is a video splitter, not a USB data hub: it does not transfer USB data. Its two outputs are for video, alongside the PD charging port. Phones and tablets require an additional PD power supply for dual-screen playback, and each connected display needs separate power. The 100W figure is the maximum PD input, while host pass-through is listed at up to 85W. If you need USB peripherals or a broader range of docking connections, a full USB-C hub is a better fit.

Practical questions

Will it extend two screens on a Mac? No. macOS mirrors the same content on both connected displays, Windows supports MST extended displays.

Does it work with any USB-C port? No. The host port needs DP Alt Mode video output, including on USB-C or Thunderbolt 3/4 devices.

Can it transfer files or connect USB accessories? No. The TCA520A carries video and supports PD pass-through charging, but it has no USB data-transfer function.

Buying verdict

A solid pick if you need two USB-C video outputs for a DP Alt Mode-capable Windows device, handheld, or compatible viewing setup and do not need a data hub. Better avoided if you need extended dual displays on a Mac or USB data connections, with this limitation, the key buying decision is whether mirrored Mac output and video-only ports match your setup.