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Compact black box with front buttons and rear HDMI, DisplayPort, USB ports

WRIARICH

WRIARICH 303DH KVM Switch 3-Port HDMI + 2 DisplayPort 8K@60Hz 4×USB 3.0

SKU CH-4QHQ-KQVFP

Triple-monitor KVM switch shares three displays, keyboard, mouse and four USB 3.0 ports across three computers with 8K@60Hz HDMI and 8K@30Hz DisplayPort video

  • PC connectionsHDMI, Displayport, Displayport
  • Computer ports3 Ports
  • Monitor ports3 Ports
  • Supported video resolution3 Monitors KVM Switch Displayport: support resolution up to
  • Switching methodPush Buttons and Wired Remote
  • Monitor supportHDMI, DIsplayport, Displayport
  • Share three monitors across three computers with one keyboard and mouse
  • HDMI port delivers 8K at 60 Hz and 4K at 120 Hz
  • Dual DisplayPort outputs support 8K at 30 Hz and 4K at 144 Hz
  • Four USB 3.0 ports provide 5 Gbps data for peripherals
  • Switch systems via front buttons or the included wired remote

Triple-Monitor KVM for Three Computers

The WRIARICH 303DH connects three desktops or laptops to a single keyboard, mouse and three displays. Each computer needs one HDMI and two DisplayPort video links plus a USB cable to drive the trio of monitors. The switch handles extended and mirrored desktop modes without drivers on Windows, Mac, Linux, Unix or Ubuntu. It also accepts game consoles, Raspberry Pi units and surveillance recorders as sources.

Passive Cooling and External Power

The unit runs silently with no internal fan, drawing power from the supplied 12 V adapter. Front-panel buttons and the tethered wired remote both switch the active computer, while three coloured LEDs show which port is live. Power consumption stays low because the switch only routes signals rather than processing video.

Four USB 3.0 Ports and Cabling Included

Four integrated USB 3.0 ports deliver 5 Gbps bandwidth for keyboards, mice, printers, scanners and flash drives. The box provides three USB 3.0 cables, the 12 V power adapter, the wired remote and a user manual. Adapters or docking stations are required when a computer lacks the necessary two DisplayPort and one HDMI outputs.

How it compares

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

Price $125.99
Pricier than about 60% of the 4,010 comparable items (median $105.49).

Specifications

Product
Model name303DH
Product typeHDMI + 2 Displayport KVM Switch 3 Computer 3 Monitor
Display
Supported video resolution3 Monitors KVM Switch Displayport: support resolution up to 8K@30 Hz /4K@144 Hz, HDMI: support resolution up to 8K@60 Hz/4K@120 Hz and backward compatible with lower resolution.
Graphics
Monitor supportHDMI, DIsplayport, Displayport
Ports & slots
PC connectionsHDMI, Displayport, Displayport
Computer ports3 Ports
Monitor ports3 Ports
USB supportTriple monitor KVM switches with 4 integrated USB 3.0 ports,supports ultra-fast 5 Gbit/s data transmission,which can recognize keyboard, mouse, printer, scaner, USB flash drive and other USB devices.
Power
Power requirementsCome with DC 12 V Power Adapter
Size & build
Product dimensions16 × 6.5 × 4 Centimetres
Product weight330g
In the box
In the box1x Triple Monitor KVM Switch, 3x USB 3.0 Cable, 1x Power Adapter, 1x Wired remote, 1x User's manual.
More details
Switching methodPush Buttons and Wired Remote
Status lightsYes

Questions about this item

How do I connect three computers to the 303DH so all three monitors work, and what is the step people often miss?

Each computer needs one HDMI cable, two DisplayPort cables and one USB 3.0 cable plugged into the switch; the step often missed is connecting the second DisplayPort from every computer.

What maintenance or replacement will the 303DH need over time?

No scheduled maintenance is required; only the included 12V power adapter or the four USB 3.0 cables may need replacement if they fail.

What resolution limit appears first when running three 4K monitors at high refresh rates on the 303DH?

The two DisplayPort outputs cap at 4K@144Hz while the HDMI output reaches 4K@120Hz, so the DisplayPort channels hit their refresh ceiling first.

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