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Small black box with HDMI, two DisplayPorts, four USB ports and wired remote

SMA

SMA Triple Monitor USB 3.0 KVM Switch 2 PC 3 Monitors 8K@60Hz 4K@144Hz HDMI 2 DisplayPort Wired Remote

SKU CH-GXR7-1TKX9

Controls two PCs across three monitors at up to 8K@60Hz or 4K@144Hz with four USB 3.0 ports and a wired remote

  • PC connections1 HDMI, 2 Displayport, USB 3.0
  • Computer ports3 Ports
  • Monitor ports3 Ports
  • Supported video resolutionSupports a maximum of 8K@60 Hz（7680 × 4320), 4K@144 Hz (3840
  • Switching methodPush Buttons
  • Monitor support1 HDMI + 2 Displayport 3 Monitors
  • Controls two PCs with one keyboard and mouse set
  • Drives three monitors at up to 8K 60 Hz or 4K 144 Hz
  • Four USB 3.0 ports share peripherals at 5 Gbps
  • Switches instantly via front button or wired remote
  • Compact 11.9 x 6.5 x 4.3 cm unit weighs 150 g

Triple-monitor KVM for two PCs

This SMA switch lets you operate two computers with a single keyboard, mouse and three displays. It accepts one HDMI and two DisplayPort inputs per system and provides matching outputs for three monitors. Four integrated USB 3.0 ports share peripherals such as printers or flash drives between both machines. The unit is driver-free on Windows, Mac, Linux and Unix.

Build integration and cabling

The box includes two DisplayPort 1.4 cables, one HDMI 2.1 cable and two USB 3.0 cables so the switch can be wired straight out of the package. A 12 V power adapter is also supplied and must be connected for stable operation. Switching between PCs is done with the front-panel push buttons or the included wired remote. Extended, mirrored and splicing display modes are supported when the host graphics hardware allows multi-monitor output.

Thermals, noise and power

The aluminium enclosure measures 11.9 x 6.5 x 4.3 centimetres and weighs 150 gram, with no fan or moving parts inside. It draws power only from the external adapter, adding negligible heat to a desktop. Silent operation makes it suitable for quiet offices or recording spaces.

How it compares

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

Price $163.99
Pricier than about 72% of the 4,010 comparable items (median $105.49).

Specifications

Product
Product type1 Port HDMI + 2 Ports DisplayPort
Display
Supported video resolutionSupports a maximum of 8K@60 Hz（7680 × 4320), 4K@144 Hz (3840 × 2160) Ultra HD image quality, and also supports other lower
Graphics
Monitor support1 HDMI + 2 Displayport 3 Monitors
Ports & slots
PC connections1 HDMI, 2 Displayport, USB 3.0
Computer ports3 Ports
Monitor ports3 Ports
USB supportWith USB support
Power
Power requirementsRequires no additional power supply
Size & build
Product dimensions11.9 × 6.5 × 4.3 centimetres
Product weight150 gram
In the box
In the box1x Triple Monitor KVM Switch,
2x DP1.4 Cable,
1x HDMI2.1 Cable,
2x USB 3.0 Cable,
1x Power Adapter,
1x Wired remote,
1x User's manual
More details
Switching methodPush Buttons
Status lightsYes

Questions about this item

Does the 8K@60Hz output hold up when all three monitors run for hours?

The switch supports a maximum of 8K@60Hz (7680×4320) and 4K@144Hz (3840×2160); final resolution depends on the graphics cards, monitors and cables used.

How much heat or fan noise appears during all-day operation?

The unit has no fan and draws power from the included 12V adapter, so it runs silently with only modest warmth under continuous use.

Which cables and ports must my two PCs already provide for this KVM to work?

Each computer needs one HDMI 2.1 output and two DisplayPort 1.4 outputs, plus a free USB 3.0 port for the upstream cable.

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