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Small black box with four HDMI ports, three USB ports, push buttons and a wired remote control

WRIARICH

WRIARICH 4-Port HDMI KVM Switch 4K@60Hz 3 USB Ports Desktop Controller

SKU CH-DD91-2YJB0

Connects four computers to one HDMI monitor, keyboard and mouse with 4K@60Hz video and three shared USB ports, switched via push buttons or wired desktop controller

  • PC connectionsHDMI, USB
  • Computer ports4 Ports
  • Monitor ports1 Port
  • Supported video resolutionThe 4-port KVM switch supports a maximum resolution of 3840
  • Switching methodPush Buttons and Wired Controller
  • Monitor supportHDMI
  • Share one monitor across four computers for a tidier desk
  • Switch instantly via front buttons or the wired desktop controller
  • Enjoy sharp 3840x2160@60Hz video with 1080p and 30Hz fallback
  • Connect keyboards, mice, drives and more through three shared USB ports
  • Compact 4.3 x 2.4 x 1.29 inch unit runs without an external power supply

Four-computer KVM with 4K@60Hz

This HDMI KVM switch lets four computers share one monitor, one keyboard and one mouse. A wired desktop controller and front push buttons both change the active system. Three USB ports on the switch allow flash drives, cameras or printers to be shared across all connected machines.

Passive operation with LED status

The unit draws power from the attached computers and needs no external power supply. LED indicators show which port is active. Video passes through at up to 3840x2160@60Hz and scales down to 3840x2160@30Hz or 1080p without extra configuration.

Compact desktop footprint

At 4.3 x 2.4 x 1.29 inches and 230 g the switch sits unobtrusively on a desk. Four USB-A cables are included so each computer connects with a single cable run. Buyers who need more than four host ports or dual-monitor output will need a different solution.

How it compares

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

Price $51.99
Cheaper than about 73% of the 4,010 comparable items (median $105.49).

Specifications

Product
Product typeHDMI, USB
Display
Supported video resolutionThe 4-port KVM switch supports a maximum resolution of 3840 × 2160@60 Hz and is compatible with lower resolutions, such as 3840 × 2160@30 Hz, 1080p, and more.
Graphics
Monitor supportHDMI
Ports & slots
PC connectionsHDMI, USB
Computer ports4 Ports
Monitor ports1 Port
USB supportThis KVM switch comes with 3 USB ports, enabling 4 computers to share USB devices such as keyboards, mice, USB flash drives, cameras, and more, making it more convenient to use.
Power
Power requirementsRequires no additional power supply
Size & build
Product dimensions4.3 × 2.4 × 1.29 in
Product weight230g
In the box
In the box1 x HDMI-Compatible KVM Switch
1 x Desktop Controller
1 x Power cable
4 x USB cable
1 x User manual
More details
Switching methodPush Buttons and Wired Controller
Status lightsYes

Questions about this item

How do I connect the four computers to the 4-port HDMI KVM switch and what step is often missed?

Connect each computer using one of the four included USB-A cables for keyboard and mouse control plus an HDMI cable for video; the step often missed is plugging the desktop controller into the dedicated port on the switch so push-button switching works.

Which parts of the WRIARICH 4-port KVM switch will need replacement after extended use?

The three shared USB ports and four front-panel push buttons see the most physical wear; the included USB-A cables can also fray over time, while the internal HDMI switching circuitry has no user-serviceable parts.

What is the first limitation I will hit when running the switch at 4K 60 Hz for long periods?

The switch is powered only by the connected computers' USB ports, so sustained 3840x2160@60Hz operation may become unstable if the host ports cannot supply enough current for the switching logic and three downstream USB devices.

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