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Compact black box with three HDMI ports on one side and one on the other, single push button on top

SMUGDESK

SMUGDESK 3-Port HDMI 2.1 Video Switch 240Hz

SKU CH-KRB2-B1C66

A 3-port HDMI 2.1 switch routes three sources to one display at up to 240Hz

  • 8K ultra-high definition with HDMI 2.1 standard
  • Ultra-smooth 240Hz high refresh rate for gaming
  • Three inputs share one display device conveniently
  • One-button physical switching with plug-and-play operation
  • Compact mini housing saves desktop space

3-Port HDMI 2.1 Switch for Gaming

This HDMI 2.1 switch connects three source devices to a single display, supporting 8K resolution and 240Hz refresh rates. It is built for gamers and media users who need to share one high-performance monitor or TV across consoles, laptops and streaming players without sacrificing visual fidelity.

One-Button Switching with Shielded Circuit

The integrated 3-in-1 design reduces cable clutter and wear on device ports by eliminating repeated plug changes. A physical push button toggles sources instantly with no drivers required, while the internal multi-layer shielding circuit suppresses interference to maintain lossless signal transmission.

Stable Output Under Continuous High-Bandwidth Load

The shielding structure sustains stable high-frequency video signals during extended gaming or playback sessions, preventing frame drops, lag and screen flicker. It delivers consistent performance for demanding 8K and high-refresh workflows rather than brief peak bursts.

Highlights

  • 8K ultra-high definition with HDMI 2.1 standard
  • Ultra-smooth 240Hz high refresh rate for gaming
  • Three inputs share one display device conveniently
  • One-button physical switching with plug-and-play operation
  • Compact mini housing saves desktop space

Specifications

No published specifications for this item yet.

Questions about this item

Will the HDMI 2.1 switch maintain a stable 240Hz signal during long gaming sessions without frame drops?

The built-in multi-layer electromagnetic shielding circuit suppresses interference to guarantee stable high-bandwidth transmission and prevent frame drops or screen flickering during extended use.

Does the switch generate noticeable heat or fan noise when left running continuously?

The compact mini housing contains no fan and relies on passive cooling; typical operation produces no audible noise and remains cool under normal sustained loads.

Do I need an external power adapter for the three-input HDMI 2.1 switch to function?

The unit operates as a plug-and-play device with no driver installation required and draws the power it needs directly from the connected HDMI sources.

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