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White Mini DisplayPort plug to black HDMI socket on short cable

Corn Electronics

Corn Electronics Mini DisplayPort to HDMI adapter 20cm

SKU CH-FQWN-0P8N1

Connects a Mini DisplayPort 1.2 or Thunderbolt 2 source to an HDMI display at up to 3840x2160 at 30 Hz with audio pass-through

  • Connects Mini DisplayPort devices to HDMI displays
  • Supports 4K resolution at 30Hz refresh rate
  • Transmits both audio and video signals
  • Gold-plated contacts for reliable connectivity
  • Compact 20cm length for portable use

Mini DisplayPort 1.2 to HDMI adapter

This 20 cm adapter connects a Mini DisplayPort 1.2 or Thunderbolt 2 source to an HDMI display. It transmits both audio and video, supporting resolutions up to 3840x2160 at 30 Hz and 2560x1600 at 60 Hz. A separate HDMI cable is required for the connection. Compatible devices include various Apple MacBook, Microsoft Surface Pro, Lenovo ThinkPad and Dell XPS models.

Bandwidth and resolution limits

The adapter operates at up to 3.0 Gbps with a 300 MHz TMDS clock rate. This bandwidth caps 4K output at 30 Hz or 24 Hz depending on the exact resolution. Higher refresh rates such as 60 Hz are only available at 2560x1600 or lower. The link is unidirectional from the Mini DisplayPort source to the HDMI display and cannot be used in reverse.

Gold-plated contacts and portable build

Gold-plated connectors provide corrosion-resistant contact surfaces for reliable signal transfer. The short 20 cm cable keeps the adapter lightweight and easy to carry in a laptop bag. Power is drawn directly from the Mini DisplayPort side, so no external supply is needed. The HDMI female port accepts any standard HDMI cable the user already owns.

How it compares

Measured against everything we stock in Mini DP Monitor Cables, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 70% of the 243 comparable items (median $13.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 20cm adapter or a longer cable for my desk setup?

The adapter is 20cm long and provides a female HDMI port; you add whatever length HDMI cable you need, so total reach is flexible.

What does the 4K@30Hz claim mean when I plug this into my monitor?

It supports up to 3840x2160 at 30Hz or 4096x2160 at 24Hz; for 2560x1600 or 1080p it can run at 60Hz.

Does the Mini DisplayPort 1.2 connection limit the bandwidth I actually get?

The link runs at up to 3.0 Gbps with a 300MHz TMDS clock, capping 4K output to 30Hz while lower resolutions reach 60Hz.

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