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Small black adapter with one DisplayPort plug and two HDMI sockets plus a micro USB port

FLEANE

FLEANE DisplayPort 1.2 to Dual HDMI Adapter 4K 60Hz MST Windows Only

SKU CH-ZB14-DEY72

Connects a DisplayPort 1.2 output to two HDMI monitors at 4K 60Hz using MST for extended desktop on Windows

  • TypeHDMI Adapter
  • Extends desktop across two 4K monitors at 60 Hz via DisplayPort 1.2 MST
  • Drives dual HDMI displays from a single DisplayPort output on Windows
  • Requires micro-USB power cable connected before use for stable operation
  • Not compatible with macOS or integrated graphics for extended mode
  • Incompatible with Dell OptiPlex 790 and any dock, hub or KVM

FLEANE DisplayPort 1.2 to Dual HDMI Adapter

This FLEANE adapter connects a DisplayPort 1.2 output on a Windows computer or laptop to two HDMI monitors. It enables extended desktop (ABC) mode on systems with discrete graphics. The product is intended for users who need to add a second external display from a single DisplayPort connection. Mac OS and integrated graphics are limited to duplicate mode only.

Practical limits of DisplayPort 1.2 MST

The adapter requires a DisplayPort 1.2 source that supports Multi-Stream Transport for extended mode. Maximum output is 4K at 60 Hz across both displays combined. Mac OS and integrated GPUs cannot drive two independent streams; they mirror the same image on both screens. The unit will not function through docks, hubs, KVM switches or chained adapters such as HDMI-to-VGA converters.

Installation notes and common issues

A Micro USB power cable must be connected before the adapter will operate. Users often forget this step and assume the device is faulty. Compatibility fails on Optiplex 790 systems and any Mac hardware. Only direct HDMI-to-HDMI cables should be used on the output ports; passive adapters on the HDMI sockets break the signal chain.

Highlights

  • Extends desktop across two 4K monitors at 60 Hz via DisplayPort 1.2 MST
  • Drives dual HDMI displays from a single DisplayPort output on Windows
  • Requires micro-USB power cable connected before use for stable operation
  • Not compatible with macOS or integrated graphics for extended mode
  • Incompatible with Dell OptiPlex 790 and any dock, hub or KVM

Specifications

TypeHDMI Adapter

Questions about this item

Should I choose the MST extended-display version or a duplicate-only adapter?

This adapter provides MST extended mode (ABC) on Windows with a discrete GPU, while macOS and integrated graphics fall back to duplicate mode only.

What does the 4K 60Hz rating actually deliver on each connected monitor?

Each HDMI output can drive a 4K display at 60 Hz when the source supports DP 1.2 bandwidth and both monitors are running in extended mode.

How does the DisplayPort 1.2 interface limit the dual-monitor setup?

DP 1.2 caps total bandwidth so two 4K 60 Hz streams require MST support from a discrete Windows GPU; macOS and integrated graphics cannot exceed duplicate mode.

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