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Compact black USB-C to Mini DisplayPort adapter

Monoprice Inc.

Monoprice 124273 USB-C to Mini DisplayPort Adapter 3840x2160 @60Hz

SKU CH-Y5XY-KV3CR

Connect a Mini DisplayPort display at up to 3840x2160 @60Hz via USB-C, no drivers needed

  • Connector count2
  • Product typeAV & Computer Adapters
  • Mirror or extend your desktop at 3840x2160 @60Hz
  • Reversible USB-C plug connects without checking orientation
  • Driver-free Plug & Play works immediately on MacBook and Chromebook
  • Compact adapter slips into a laptop case for travel
  • Two-connector design links USB-C source to Mini DisplayPort display

USB-C to Mini DisplayPort Adapter

This adapter connects a Mini DisplayPort monitor to a USB-C laptop at resolutions up to 3840x2160p at 60Hz. It supports both display mirroring and desktop extension modes. The reversible USB-C plug works with devices such as Apple MacBook and Google Chromebook models. No drivers or software installation are required for operation.

Passive Design and Power

The unit draws power directly from the host USB-C port and requires no external supply. Its compact form factor adds minimal bulk to a laptop bag for travel use. With no active cooling components, the adapter runs silently during normal video playback and office tasks. Heat output remains low under typical single-monitor workloads.

Sustained 4K Output

During extended sessions at 3840x2160p and 60Hz the adapter maintains a stable signal without frame drops. The passive circuitry handles continuous bandwidth demands for productivity applications and video streaming. Surface temperature stays modest even after hours of uninterrupted use. It is not suited for users who need multiple display outputs or higher refresh rates.

How it compares

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

Price $10.99
Cheaper than about 84% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameMonoprice
Model name124273
Product typeAV & Computer Adapters
Ports & slots
Connector count2

Questions about this item

How do I install the Monoprice 124273 adapter and what step do people miss?

Plug the reversible USB-C end into your laptop's video output, then connect a DisplayPort cable from the adapter's Mini DisplayPort socket to your monitor; the step often missed is supplying that DisplayPort cable yourself.

What maintenance or replacement will the Monoprice 124273 adapter need over time?

No firmware or driver updates are required; if the adapter fails it is replaced as a whole unit, and the only wearable part is the DisplayPort cable you provide.

What limit appears first when I run the Monoprice 124273 adapter at 3840x2160 @60Hz for long periods?

The hard ceiling is the 3840x2160 resolution at 60 Hz; sustained use cannot exceed that bandwidth, so the adapter simply passes the signal until the host or display throttles.

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