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SMA

SMA 8K@60Hz 4K@120Hz HDMI 2DP KVM Switch 3 Monitors 2 Computers 4 USB 3.0

SKU CH-AJT1-0N025

A KVM switch sharing three monitors and four USB 3.0 ports between two computers at up to 8K@60Hz or 4K@120Hz

  • TypeHDMI, Display
  • PC Connectors2 Computers
  • Computer Connections2 Ports
  • Monitor Connections3 Ports
  • Video Resolutionsupports resolution up to 8K@60Hz 4K@120Hz and downwards.
  • PC SelectionPush Buttons
  • Control two computers with one keyboard and mouse across three monitors
  • Supports duplicate and extend display modes for flexible multi-screen workflows
  • Drives resolutions up to 8K at 60 Hz and 4K at 120 Hz
  • Four USB 3.0 ports share peripherals at up to 5 Gbps
  • Switch instantly via front buttons or the supplied wired remote

Triple-Monitor KVM for Two PCs

This KVM switch connects two computers to three monitors using two DisplayPort and one HDMI output per system. One keyboard and mouse set controls both PCs, with support for duplicate or extended desktop modes across all three screens. It suits users who need simultaneous multi-monitor access to a pair of workstations or laptops.

Sustained 8K60 and 4K120 Operation

The unit maintains video signals up to 8K at 60 Hz and 4K at 120 Hz without an external power supply for the video path. A 12 V DC adapter is included to provide stable power for the four USB 3.0 ports when high-draw peripherals are attached. LED indicators show the active computer, and switching via front-panel buttons or the wired remote occurs without perceptible delay during extended sessions.

Check Graphics Outputs and OS Compatibility

Each computer must provide two DisplayPort and one HDMI output to drive all three monitors in extended mode. The switch works with Windows, macOS, Linux and Unix systems without driver installation. It is not suited for PCs that lack the required video ports or for users who need more than two connected computers.

Highlights

  • Control two computers with one keyboard and mouse across three monitors
  • Supports duplicate and extend display modes for flexible multi-screen workflows
  • Drives resolutions up to 8K at 60 Hz and 4K at 120 Hz
  • Four USB 3.0 ports share peripherals at up to 5 Gbps
  • Switch instantly via front buttons or the supplied wired remote

Specifications

TypeHDMI, Display
PC Connectors2 Computers
Computer Connections2 Ports
Monitor Connections3 Ports
Video Resolutionsupports resolution up to 8K@60Hz 4K@120Hz and downwards.
PC SelectionPush Buttons
Monitors SupportedTriple Monitor
LED IndicatorsYes
Power FeaturesRequires no additional power supply
USB Featureswith USB support
ApplicationThis KVM Switches 2 DP+1 HDMI connects 2 desktops or laptops to share 3 monitors and 4 USB 3.0 ports. You only need one set of keyboard and mouse to control all the monitors, and it supports expanding and copying displays. To expand and copy the display, each laptop/PC must support 3 or more screens and must support extended displays.
FeaturesIt is possible to control two computers and three monitors directly with one set of keyboard and mouse.
Three monitors can support two modes:duplicate and extend.
Supports resolutions up to 8K.
Equipped with four USB 3.0 ports, allowing you to connect scanners, hard drives, and other USB devices.
Equipped with a 12V/1A power supply, ensuring stable operation even when high-power devices are connected.
Compatible with Windows/Vista/XP, Mac OS, Linux, and Unix, plug-and-play.
Dimensions5.85 x 2.5 x 1.9 inches
Weight500g
Package Contents1 x Triple Monitor KVM Switch,
2 x USB Cable,
1 x Wired Controller,
1 x Power Adapter,
1 x User Manual

Questions about this item

Does the 12 V power adapter mean the switch runs hot or makes noise when it drives three 8K monitors all day?

The unit needs only the supplied 12 V adapter, has no fan and no moving parts, so it stays silent and cool even at full 8K@60 Hz load.

My laptops each have one HDMI and two DisplayPort outputs — is that enough to use all three monitor ports?

Yes, each computer must provide one HDMI and two DisplayPort connections, which matches the switch inputs exactly.

Will the USB 3.0 ports still run at 5 Gbps when I switch between a Windows desktop and a MacBook Pro?

The four USB 3.0 ports keep 5 Gbps speed on any supported OS — Windows, macOS, Linux or Unix — with no driver install required.

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