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Small black box with button, HDMI and USB ports, cables included

BUCIER

BUCIER 2-Port USB 2.0 KVM Switch 4K@60Hz 4 USB Hub

SKU CH-665J-K0KHA

A 2-port USB 2.0 KVM switch lets two computers share one 4K 60 Hz monitor, keyboard, mouse and four USB peripherals with push-button switching

  • TypeAccessories
  • Share one 4K monitor at 60 Hz between two computers
  • Connect keyboard, mouse, printer and more via four USB 2.0 ports
  • Switch systems instantly with a front-panel button
  • Power the unit from any USB source, no adapter required
  • EDID adaptation keeps display settings stable across different PCs

Two-computer KVM with 4K@60Hz

The BUCIER KVM switch lets two computers share one HDMI monitor, a keyboard, a mouse and up to four USB 2.0 peripherals. It handles video up to 3840×2160 at 60 Hz with YUV 4:4:4 chroma sampling, plus lower resolutions such as 2560×1440@60 Hz and 1920×1080@60 Hz. A front-panel button toggles the active system instantly. No hot-key switching is provided.

Sustained operation with external power

A Micro USB power lead must be connected before attaching USB devices other than a keyboard or mouse, ensuring stable operation during long sessions. The switch draws power from any USB charger or computer port, so it does not rely on the host systems for peripheral current. EDID adaptation maintains a consistent handshake when inputs are swapped repeatedly. Video timing remains steady at the selected resolution without re-negotiation delays.

Compact hub layout for desk use

Two integrated USB cables and one HDMI cable connect the host computers directly to the box, reducing cable clutter. Four USB 2.0 ports on the front provide up to 480 Mbps each for printers, storage drives or webcams shared between the two systems. The button is the sole switching method, so users who prefer keyboard shortcuts will need a different solution. Mechanical and wireless multimedia keyboards are supported without extra drivers.

Highlights

  • Share one 4K monitor at 60 Hz between two computers
  • Connect keyboard, mouse, printer and more via four USB 2.0 ports
  • Switch systems instantly with a front-panel button
  • Power the unit from any USB source, no adapter required
  • EDID adaptation keeps display settings stable across different PCs

Specifications

TypeAccessories

Questions about this item

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

The unit has no fan and draws power from a Micro USB port, so it runs silently and stays cool during all‑day use.

Which cables or adapters must I already own to connect two computers and one HDMI monitor to this switch?

Two USB‑A to USB‑B cables and one HDMI cable are included; you only need a USB power adapter or spare USB port for the Micro USB power input.

Will a 2560×1440@60 Hz monitor work reliably through this KVM alongside older 1080p displays?

Yes, the switch supports 2560×1440 at 60 Hz and lower resolutions such as 1920×1080, adapting via EDID for mixed‑resolution setups.

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