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Black metal KVM switch, four USB-B inputs, two USB-A outputs, compact rectangular shape

Golden Blue

Golden Blue 4-Port USB KVM Switch Black

SKU CH-9R4A-VADQE

A four-port USB KVM switch lets you share one keyboard and mouse across four computers with one-button synchronous control or hot-key switching

  • TypeAccessories
  • Driver-free setup works with Windows and Linux
  • Metal alloy housing with gold-plated ports resists interference
  • Over-current protection keeps four ports stable
  • One button switches or syncs all four computers
  • Compact 10 cm unit runs from -5 to 65 °C

Four-Port USB KVM for Multi-System Control

The Golden Blue switch lets one keyboard and mouse operate up to four computers through four USB-B inputs and two USB-A outputs. It targets users who need simultaneous control across separate machines without installing drivers on Windows, Linux or other supported platforms. A metal shell and gold-plated connectors provide shielding for stable signal paths.

USB 2.0 Speed with Four-Channel Headroom

Propagation uses USB 2.0 full-speed technology, giving enough bandwidth for standard keyboard and mouse traffic across all four ports. The 6 W maximum draw is covered by an external 5 V / 2 A supply, so the hub does not rely on host bus power. Operation is rated from -5 °C to +65 °C, ensuring function in typical indoor environments.

Metal Build and Hot-Key Switching Included

The all-metal frosted enclosure and thickened gold-plated interfaces are the physical accessories that improve durability and interference resistance. Hot-key commands and mouse traversing let users move the cursor across screens or toggle ports instantly. No software bundle or additional cabling is mentioned in the specifications.

Highlights

  • Driver-free setup works with Windows and Linux
  • Metal alloy housing with gold-plated ports resists interference
  • Over-current protection keeps four ports stable
  • One button switches or syncs all four computers
  • Compact 10 cm unit runs from -5 to 65 °C

Specifications

TypeAccessories

Questions about this item

Will the four USB-B inputs share one keyboard and mouse with my existing USB-A peripherals?

Yes, the switch provides four USB-B upstream ports and two USB-A downstream ports so one keyboard and mouse set controls up to four connected computers.

How do I confirm the metal-cased switch is operating correctly after connecting four PCs?

Press the front-panel button to cycle through ports 1 to 4; the corresponding LED lights and the mouse cursor traverses each screen without driver installation.

Does the package include the 5 V / 2 A power adapter and the four USB-B cables needed for four computers?

The box contains the KVM unit only; a 5 V / 2 A power supply and four USB-B to USB-A cables must be purchased separately.

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