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Compact black box with front push button and rear HDMI, USB ports

BUCIER

BUCIER 2-Port USB 3.0 Dual Monitor HDMI 4K 60Hz KVM Switch

SKU CH-38QW-GCQAQ

A dual-monitor KVM switch that lets two computers share one keyboard, mouse and two 4K 60 Hz displays plus two USB 3.0 hub ports

  • TypeDisplayPort, USB
  • Control two computers with one keyboard, mouse and dual monitors
  • Share USB 3.0 peripherals at 5 Gbps across both systems
  • Dual HDMI 2.0 outputs deliver 4K at 60 Hz
  • Switch instantly via hotkeys, button, remote or auto-scan
  • Works with Windows, Linux and Mac without extra drivers

Dual-monitor KVM for two computers

This BUCIER KVM switch lets one keyboard, mouse and dual-monitor setup control two computers or laptops. It supports extended, mirrored or spliced display modes across both HDMI outputs. Wired and wireless keyboards and mice work through USB pass-through. Windows, Linux and Mac platforms are all compatible.

Installation uses HDMI and USB 3.0 cables

Power off both systems before connecting each computer's two HDMI outputs to the labelled input pairs. Plug the USB-A end into a USB 3.0 port on the computer and the USB-B end into the corresponding KVM input. The switch draws power from the USB 3.0 connection so no external adapter is required. All necessary cables are included except monitor cables.

Sustained operation at 4K 60 Hz

Dual HDMI 2.0 outputs maintain up to 3840x2160 at 60 Hz continuously, with additional support for 3440x1440 at 120 Hz and 3840x1080 at 120 Hz. The integrated USB 3.0 hub ports deliver up to 5 Gbps throughput for shared peripherals during long sessions. Hotkey, mouse, push-button, auto-scan and wired remote switching remain responsive under load. Audio follows the active computer via HDMI digital audio.

Highlights

  • Control two computers with one keyboard, mouse and dual monitors
  • Share USB 3.0 peripherals at 5 Gbps across both systems
  • Dual HDMI 2.0 outputs deliver 4K at 60 Hz
  • Switch instantly via hotkeys, button, remote or auto-scan
  • Works with Windows, Linux and Mac without extra drivers

Specifications

TypeDisplayPort, USB

Questions about this item

How can I confirm the switch is delivering 3840x2160 at 60 Hz to both monitors after I connect everything?

Check each monitor's on-screen display or your computer's display settings to verify the active resolution reads 3840x2160 at 60 Hz and that mouse and keyboard control moves instantly between the two computers when you press the front button or use the hotkey.

The description says all cables are included except monitor cables; which cables come in the box and what must I provide?

The box supplies two USB 3.0 A-to-B cables for the computer links and a wired remote button; you must supply four HDMI cables (two per computer) to reach the HDMI IN ports on the switch.

I need to run one 3440x1440 ultra-wide at 120 Hz and one 3840x2160 screen at 60 Hz — will this switch handle both simultaneously?

Yes — the HDMI 2.0 ports support 3440x1440 at 120 Hz and 3840x2160 at 60 Hz concurrently, provided each computer's graphics card and the monitors themselves also support those modes.

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