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Compact USB-C adapter with Mini DisplayPort and USB-C charging ports

Monoprice Inc.

Monoprice 124274 USB-C to Mini DisplayPort & USB-C (F) Dual Port Adapter

SKU CH-VKCJ-KQAPT

Connects a Mini DisplayPort monitor at up to 3840x2160p 60 Hz while passing through up to 60 W of USB-C charging power

  • Connector count2
  • Product typeAV & Computer Adapters
  • Connect Mini DisplayPort display up to 3840x2160p @60Hz
  • Charge laptop via USB-C port while using adapter up to 60W
  • Reversible USB-C connector plugs in either orientation
  • No drivers or software required for true Plug & Play
  • Small portable design fits easily in laptop case

Portable dual-port adapter for USB-C laptops

The Monoprice 124274 adds a Mini DisplayPort video output and a USB-C charging pass-through to a single USB-C port. It supports mirroring or extending a desktop at 3840x2160p @60Hz without installing drivers or software.

Compact plug-and-play build

A reversible USB-C connector plugs directly into the host and a Mini DisplayPort socket accepts a standard DisplayPort cable. The second USB-C port accepts the original charger to deliver up to 60W (20V/3A) while the adapter is in use.

Limited to DisplayPort Alt Mode hosts

Video output requires a USB-C port that supports DisplayPort Alternate Mode; ports limited to data or charging only will not drive a display. The power pass-through caps at 60W, so laptops needing higher wattage will charge slowly or not at all.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $14.99
Typical for this category: the median of 15,227 items is $14.99.

Specifications

Product
Brand nameMonoprice
Model name124274
Product typeAV & Computer Adapters
Ports & slots
Connector count2

Questions about this item

What resolution and refresh rate does the Mini DisplayPort output support?

The adapter drives a Mini DisplayPort display at up to 3840x2160p at 60Hz for mirroring or extending the desktop.

What cables or ports are required to connect the adapter to a display and a charger?

You need a Mini DisplayPort cable for the monitor and your original USB-C charger for the adapter's charging port.

How is the adapter set up, and what common mistake should be avoided?

Plug the reversible USB-C connector into the computer's video output; it works immediately with no drivers, but the Mini DisplayPort cable is not included.

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