4x1 4K UHD KVM Switcher with USB 2.0 Ports for Peripherals and Audio Support

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The BG-UHD-KVM41A is a 4K HDMI USB 2.0 KVM switch. With support for resolutions up to 4K@30Hz, this device allows users to control four computers and share USB peripherals from a single workstation. Perfect for offices, software programmers, and technical support desks, users can easily switch between multiple operating systems without leaving their seat.

Connectivity and Features

The rear panel of the BG-UHD-KVM41A is equipped with four PC connections, each including one USB 2.0 type-B host port and one HDMI 1.4 input. There is also one HDMI 1.4 output for connection to a monitor. On the front panel, there are three USB 2.0 ports for a keyboard, mouse, and a spare port for additional devices. The BG-UHD-KVM41A also provides 3.5mm audio connections for a microphone and headphones/speakers.


The BG-UHD-KVM41A is simple to operate using the front panel buttons. The source select button toggles between the four connected computers, switching the HDMI and peripheral connections. It can also be operated using hotkeys. There is also an audio toggle which enables/disables the audio in/out connections.


  • 4K
    Supports resolutions up to 4K@60Hz
  • KVM
    Remotely control 4 computers from a single screen
  • 4x HDMI Inputs 1x HDMI Output
    All HDMI ports support HDMI 2.0, HDCP 2.2, HDR 10, and Dolby Vision
  • USB 2.0
    Conveniently share 3 x USB 2.0 peripherals
  • Stereo 3.5mm Input/Output
    Share headphones and microphone between two computers
  • Compatible
    Works with Mac OS, Windows, and Linux
  • Share an HDTV or display, USB keyboard & mouse, headphones, and microphone between 4 USB/HDMI computers
  • Provides an additional USB 2.0 sharing port with over-current detection and protection
  • Switch between devices via the front push buttons or hotkey commands
  • Supports all digital audio modes
  • Video bandwidth: up to 18Gb/s
  • Metal housing for better RF shielding


Your Ultimate Solution for Effortless Multi-Computer Management - BG-UHD-KVM41A
Your Ultimate Solution for Effortless Multi-Computer Management - BG-UHD-KVM41A
Increase Efficiency with BZBGEAR BG-UHD-KVM21A BG-UHD-KVM41A USB HDMI KVM Switcher
Increase Efficiency with BZBGEAR BG-UHD-KVM21A BG-UHD-KVM41A USB HDMI KVM Switcher

Tech Specifications

Supports resolutions up to 4K@60Hz
Input Ports 4 HDMI, 4 USB 2.0 Host, 3 USB 2.0 Peripheral, 1 analog audio
Output Ports 1 HDMI, 1 Analog Audio
Control Panel Buttons
Power Supply AC 100 - 240V 50/60Hz
Weight 1lbs 12oz [793g]
Dimensions 10.7"(W) x 4.5"(D) x 1.25"(H)
272mm (W) x 114mm (D) x 32mm (H)
Housing Metal Enclosure


  • 1x BG-UHD-KVM41A
  • 1x Power Adapter
  • 1x User Manual


  1. USB Mouse Port: Connect to a USB mouse.
  2. USB Keyboard Port: Connect to a USB keyboard.
  3. USB Port: Connect to other USB devices.
  4. MIC: Connect to a microphone.
  5. Audio out: Connect to earphones.
  6. Audio LED: Audio ON/OFF Indication.
  7. Audio Switch: Switch to enable/disable the MIC/Audio out function.
  8. Port LED: Indicate which HDMI source is selected.
  9. Port Select: Switch between the HDMI sources.
  10. Power Jack: Connect to the included power adapter.
  11. HDMI Sink: Connect to local HDMI Display.
  12. PC1-4 HDMI Inputs: Connect to the source/remote device's HDMI output.
  13. PC1-4 USB Type-B Port: Connect to the source/remote PC's USB port for USB control.