DisplayPort to Dual DisplayPort Splitter - Dual 4K120Hz/144Hz Adapter

In this review of the DisplayPort to Dual DisplayPort Splitter, the bottom line is simple: this adapter is for users who need reliable dual DisplayPort outputs from a single DP source and want the highest possible refresh rates for two 4K monitors. It delivers stable mirror and, on compatible systems, extended displays without drivers, and its included power cable eliminates many common power issues. The adapter is especially useful for PC users with DP1.2+ graphics ports who want high-resolution performance, while Mac users should note the SST limitation.

Key Features

• Dual 4K Support: Delivers up to 4K120Hz on dual displays or a 4K144Hz+4K60Hz combination when system and cables permit for very smooth high-resolution output.
• 1 In 2 Out Splitter: Allows one DisplayPort source to drive two DisplayPort displays in mirrored or supported extended modes to expand desktop workspace or duplicate screens.
• Power Included: Ships with a USB-C power cable so the splitter can be powered independently to ensure stable signal distribution to both monitors.
• Plug and Play: No driver installation required, so setup is fast: connect the DP source, attach the power cable, and plug in two DP cables to the monitors.
• Flexible Cable Length: No fixed input cable is attached, letting users choose DP cable lengths up to recommended limits to fit their setup while maintaining signal stability.

Who It's For

The splitter is aimed at desktop users, gamers, and content creators who have a DisplayPort 1.2 or newer output and want to run two high-resolution monitors without buying a second video output. It suits anyone who needs crisp 4K image quality with high refresh rates and an easy setup that requires no drivers.

It is not the right choice for users who rely on macOS to produce two extended displays because Mac systems only support SST and cannot use MST-based extended mode. Also avoid this if you must connect using HDMI-to-DP adapters or docking stations, as those configurations are not supported.

Pros & Cons

Pros

• Works plug and play with stable connections and clear 4K picture quality as reported by users.
• Supports very high refresh rates when paired with DP1.4 cables and compatible GPUs, enabling smooth motion for gaming or video.
• Well built and includes a power cable to prevent underpowered signal issues.

Cons

• MacOS cannot use extended MST mode, limiting Macs to mirrored or SST behavior only.
• DP cables are not included, and signal quality depends on using DP1.4-compliant cables under 1.8m.

Specifications

Product Type	DisplayPort 1 in 2 out splitter
Max Resolution/Refresh	Dual 4K120Hz or 4K144Hz+4K60Hz
Power	USB-C power cable included
Mode Support	Mirror (AAA/ABB) and Extended (ABC) on MST-capable systems
OS Notes	macOS supports SST only; no extended MST on Mac
DP Cable	Not included; recommend DP1.4 cables under 1.8m

Our Verdict

This DisplayPort splitter is a practical, well-built solution for users who need two DisplayPort outputs from a single DP source and want high refresh rate 4K performance. It offers excellent value for PC users with DP1.2+ graphics and DP1.4 cables, but Mac users and those relying on HDMI-to-DP adapters should look for alternatives that meet their platform limits.

Frequently Asked Questions

Can this splitter extend two different displays on Mac?
Answer. No, macOS does not support MST extended mode; Macs are limited to SST or mirrored displays with this device.

Are DP cables included?
Answer. No, DP cables are not included; you should use DP1.4-compliant cables and keep lengths within the recommended 1.8m for best results.

Do I need a special graphics card?
Answer. The computer GPU must support DisplayPort 1.2 or higher for extended mode and DP1.4 cables are required to reach the highest refresh rates.