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Rectangular black KVM switch with rear ports visible

Vszerda

Vszerda DKM403B-02-USB3.0-CZY 4-Port Triple Monitor KVM Switch

SKU CH-GFGZ-A78TN

Lets four computers share one keyboard, mouse and three monitors at up to 8K@60Hz via 2 HDMI 2.1 and DisplayPort 1.4 with three USB 3.0 ports and audio

  • Switching methodBipolar Transistor
  • Power requirements12 V
  • Product typeBipolar Transistor
  • Product dimensions23.01 in × 17.2 in × 5.77 in
  • Product weight1.07 kg
  • Share one keyboard, mouse and three monitors across four computers
  • Triple-monitor output up to 8K at 60 Hz via HDMI 2.1 and DisplayPort 1.4
  • Three USB 3.0 ports for high-speed peripheral sharing
  • Audio and microphone switching included
  • Wired remote and front-button switching keep the desktop tidy

Four-Computer Triple-Monitor KVM Switch

The Vszerda DKM403B-02-USB3.0-CZY lets four desktops or laptops share one keyboard, one mouse and three displays. Each connected computer must provide two HDMI and one DisplayPort output to drive the extended, mirrored or spliced layouts. The unit adds three USB 3.0 ports for peripherals plus a combined audio and microphone jack.

Build Integration and Cabling

A 12-volt power adapter is required and included. Four USB 3.0 cables ship in the box for the computer links, while video cables are routed to rear-facing ports to keep the desk surface clear. Switching between systems is handled by a front-panel button or the supplied wired remote. The chassis measures 23.01 in by 17.2 in by 5.77 in and weighs 1.07 kilograms.

Upgrade Context

This switch replaces a collection of single-monitor KVMs or manual cable swapping when a workflow demands simultaneous control of four machines across three high-resolution screens. The jump is justified when the graphics hardware and monitors already support the HDMI 2.1 and DisplayPort 1.4 pathways needed for 8K at 60 Hz. Buyers needing only two displays or fewer than four computers will find the extra ports and cabling unnecessary.

How it compares

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

Price $177.99
Pricier than about 75% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameVszerda
Model nameDKM403B-02-USB3.0-CZY
Part numberDKM403B-02-USB3.0-CZY
Product typeBipolar Transistor
Power
Power requirements12 V
Size & build
Product dimensions23.01 in × 17.2 in × 5.77 in
Product weight1.07 kg
More details
Switching methodBipolar Transistor

Questions about this item

Will the 8K@60Hz output stay stable during long sessions?

The switch conforms to HDMI 2.1 and DP 1.4, supporting up to 8K@60Hz when both graphics cards and monitors also support that resolution.

How hot or noisy does the unit get when left on all day?

The device runs from an external 12 V power adapter with no internal fan, so it operates silently and produces minimal heat under normal use.

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

Each computer needs two HDMI outputs, one DisplayPort output and a USB 3.0 port; the package includes four USB 3.0 cables for those connections.

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