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Small black box with four front buttons and a wired remote selector

BFKK

BFKK 4-Port HDMI KVM Switch 4K@30Hz USB Desktop Selector

SKU CH-R2RR-NJ80X

A four-port HDMI KVM switch lets you control four computers with one keyboard, mouse, monitor and printer at up to 4096×2160@30Hz, switching by front button or desktop selector.

  • Control 4 computers with one keyboard, mouse, monitor and printer
  • Supports 4096×2160 and 3840×2160 resolution at 30 Hz
  • Switch via top-panel button or wired desktop selector
  • Works with Windows 10/8.1/7/Vista/XP, Mac OS, Linux, Chrome OS
  • Includes USB-C power cable and desktop controller; HDMI and USB cables not supplied

Four-Port HDMI KVM for Multi-System Control

This BFKK 4-port HDMI KVM switch lets one keyboard, mouse, printer and monitor control four computers. It targets users who want a tidy desktop and smoother workflow across several PCs, laptops or game consoles. The package includes the switch, a USB-C charging cable, a desktop controller and a manual. Note that HDMI and USB cables are not supplied.

Video Limited to 4K at 30 Hz

Maximum supported resolutions are 4096x2160@30Hz and 3840x2160@30Hz with down-scaling compatibility. Higher refresh rates or deeper colour formats are not supported by this unit. The HDMI interface carries both video and USB signals through the switch. Bandwidth above the stated 30 Hz ceiling is unavailable.

Button or Desktop Selector Switching

Switch inputs by pressing the top-panel button or using the included wired desktop selector. LED indicators show the active port. The device is plug-and-play with Windows 10, 8.1, 7, Vista, XP, Mac OS, Linux and Chrome OS. Missing HDMI and USB cables in the box are the most common setup oversight.

How it compares

Measured against everything we stock in KVM Switches & Rack Consoles, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 76% of the 4,010 comparable items (median $105.49).

Specifications

No published specifications for this item yet.

Questions about this item

Which version of the BFKK 4-Port HDMI KVM Switch should I choose for four computers?

This single model provides four HDMI inputs and one output, so it handles exactly four PCs with one monitor, keyboard and mouse set.

What does the 4K@30Hz headline figure mean once the switch is connected?

It supports resolutions up to 4096x2160 at 30 Hz or 3840x2160 at 30 Hz, and will down-scale automatically for lower-resolution displays.

Which interface standard does the switch use and what does it cap in practice?

It uses HDMI for video and USB for peripheral sharing, limiting video to 30 Hz at 4K resolutions while passing keyboard, mouse and printer signals through the USB link.

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