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Rectangular black box with front port cluster and rear DisplayPort connectors

GCROWN

GCROWN Dual Monitor KVM Switch DP 1.4 8K60 4K120 USB 3.0 2PC 4USB

SKU CH-309B-QBR5D

A dual-monitor KVM switch lets two computers share two displays and four USB 3.0 peripherals with support for 8K at 60 Hz and 4K at 120 Hz

  • TypeKVM Switch
  • Share two monitors and four USB 3.0 ports between two computers
  • External 12 V power adapter keeps USB devices stable
  • Extended mode spans different content across both screens
  • Copy mode mirrors identical output on both displays
  • DP 1.4 supports 8K at 60 Hz and 4K at 120 Hz

Dual-monitor KVM for two PCs

This DisplayPort 1.4 KVM switch lets two computers share two monitors and four USB 3.0 peripherals such as keyboards, mice, printers or flash drives. A 12 V power adapter is included so connected USB devices receive stable current that host ports alone cannot supply. Each computer must provide two DisplayPort outputs to drive both screens.

Sustained switching and video stability

The switch maintains 8K at 60 Hz and 4K at 120 Hz continuously while toggling between systems, with backward compatibility down to 1080p and 720p. Extended mode spans the desktop across both monitors, while copy mode duplicates the same image on each screen. Stable operation requires all cables, monitors and host GPUs to meet the DP 1.4 specification.

Thermals noise and power draw

Passive cooling keeps the unit silent during normal desktop use, and the external 12 V adapter handles peak USB load without drawing excessive power from host ports. The metal enclosure dissipates heat from the switching logic, so surface temperatures stay low even during long sessions. No fan noise or active cooling is present.

Highlights

  • Share two monitors and four USB 3.0 ports between two computers
  • External 12 V power adapter keeps USB devices stable
  • Extended mode spans different content across both screens
  • Copy mode mirrors identical output on both displays
  • DP 1.4 supports 8K at 60 Hz and 4K at 120 Hz

Specifications

TypeKVM Switch

Questions about this item

How much power does the included 12V adapter draw when the KVM runs all day?

The unit ships with a 12V external power adapter that supplies stable current to the four USB 3.0 ports and the DP 1.4 video circuitry so hard drives and other bus-powered devices work reliably during continuous operation.

What cables and ports must my two computers already have to use this KVM?

Each computer needs two DisplayPort 1.4 outputs (DP1 and DP2) to drive both monitors, plus a free USB 3.0 port for the upstream connection to the KVM's built-in hub.

Will my older 1080p or 720p monitors still work through the DP 1.4 switch?

Yes, the DP 1.4 KVM is backward compatible with 1080p and 720p resolutions, so legacy displays function normally while still supporting up to 8K60 and 4K120 on newer panels.

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