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SMA

SMA 203HHD Triple Monitor KVM Switch 2 HDMI 2.1 1 DP 1.4 8K60 4K144 USB 3.0

SKU CH-2A61-X9H2Q

Controls two computers across three monitors with 8K60 HDMI 2.1 and DP 1.4 4K144 plus four USB 3.0 ports

  • PC connectionsHDMI, HDMI, Displayport, USB
  • Monitor ports2 Ports HDMI + 1 Port Displayport
  • Supported video resolutionKVM switch DisplayPort: supports resolutions up to 8K@30 Hz/
  • Switching methodPush Buttons and Wired Remote
  • Monitor supportHDMI, HDMI, Displayport
  • Power requirementsRequires no additional power supply
  • Control 2 PCs across 3 monitors with one keyboard and mouse
  • HDMI ports deliver 8K at 60 Hz and 4K at 120 Hz
  • DisplayPort handles 8K at 30 Hz and 4K at 144 Hz
  • Four USB 3.0 ports share peripherals between both computers
  • Wired remote and front buttons give instant PC switching

Three-Monitor KVM for Two Computers

This KVM switch lets two PCs or laptops share three displays and four USB 3.0 peripherals from one keyboard and mouse. It accepts two HDMI 2.1 inputs and one DisplayPort 1.4 input per system, then routes them to matching monitor outputs. The unit operates without an extra power supply, drawing what it needs from the connected hosts. A wired remote and front push buttons both change the active computer.

Bundled Cables and Remote Simplify Setup

The package includes two HDMI cables, three USB 3.0 cables, a 1.5-metre wired controller and a 12 V DC adapter alongside the manual. These items let you connect both computers and all three monitors immediately, while the remote keeps the switch itself out of sight on the desk. The adapter is optional — the switch will run from host power alone — but it is supplied for installations where USB bus power is limited.

Resolution Headroom and Switching Limits

HDMI outputs reach 8K at 60 Hz or 4K at 120 Hz, while the DisplayPort output reaches 8K at 30 Hz or 4K at 144 Hz, all with backward compatibility. Extended mode drives three independent desktops; duplicate mode mirrors the same image across every screen. The switch only supports two computers, so a third host cannot be added, and each video path is fixed one-to-one — input A always maps to output A.

How it compares

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

Price $157.99
Pricier than about 71% of the 4,010 comparable items (median $105.49).

Specifications

Product
Model name203HHD KVM Switch
Product type2 HDMI + 1 Displayport
Display
Supported video resolutionKVM switch DisplayPort: supports resolutions up to 8K@30 Hz/4K@144 Hz; KVM switch HDMI: supports resolutions up to 8K@60 Hz/4K@120 Hz and is with low higher resolutions.
Graphics
Monitor supportHDMI, HDMI, Displayport
Ports & slots
PC connectionsHDMI, HDMI, Displayport, USB
Monitor ports2 Ports HDMI + 1 Port Displayport
USB supportWith USB support
Power
Power requirementsRequires no additional power supply
Size & build
Product dimensions4.72 in × 2.6 in × 1.73 in
Product weight260g
In the box
In the boxTriple monitor KVM Switch*1+HDMI Cable*2+USB3.0 Cable*3+Wired Controller*1(1.5m/4.92 ft)+DC12 V Power Adapter*1+Manual*1
More details
Switching methodPush Buttons and Wired Remote
Status lightsYes

Questions about this item

Will the DC12V power adapter need replacing after extended use?

The unit ships with a DC12V power adapter; it draws no power from the USB ports, so the adapter is the only part that may age and require replacement.

Which port caps the sustained 8K refresh rate first?

The DisplayPort 1.4 output is limited to 8K at 30 Hz, while both HDMI 2.1 outputs sustain 8K at 60 Hz, so the DisplayPort path hits its ceiling first.

Does the switch generate noticeable heat or fan noise during all‑day operation?

No fan is fitted and the specs list no active cooling; the device runs passively, so heat and noise stay minimal even with three monitors active continuously.

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