SMA
SMA 203DH KVM Switch 3 Monitors 2 Computers 8K@60Hz 4K@144Hz
Triple-monitor KVM switch lets two computers share three displays at up to 8K60 or 4K144 plus four USB 3.0 peripherals
- TypeHDMI + 2 DisplayPort KVM Switch 3 Monitors 2 Computers
- PC ConnectorsHDMI, Displayport, Displayport
- Computer Connections2 Ports
- Monitor Connections3 Ports
- Video ResolutionTriple monitor KVM switch support up to 8K@60Hz, 4K@144Hz re
- PC SelectionPush Buttons and Wired Remote
- Control two PCs across three monitors from one keyboard and mouse
- Supports up to 8K at 60 Hz and 4K at 144 Hz for high-refresh gaming or creative work
- Four USB 3.0 ports deliver up to 5 Gbit/s for fast peripheral sharing
- Switch instantly via front-panel buttons or the included wired remote
- Driver-free operation on Windows, Mac, Linux and Chrome OS
Triple-monitor KVM for two computers
This SMA 203DH KVM switch lets two desktops or laptops share three displays and four USB 3.0 peripherals from a single keyboard and mouse set. It accepts one HDMI 2.1 and two DisplayPort 1.4 inputs per system, then routes the chosen video to three matching outputs. The unit is driver-free for Windows, Mac, Linux, Unix, Ubuntu and Chrome OS, making it suitable for mixed-OS workstations.
Build integration and cabling requirements
Each connected computer needs one HDMI and two DisplayPort video outputs plus a USB 3.0 link to the switch; the box supplies one HDMI 2.1 cable, two DP 1.4 cables and two USB 3.0 cables at 1.5 m each. A wired remote on a 1.52 m lead and front push-buttons both change the active PC, with LEDs showing the selection. The included 12 V DC adapter must be connected for operation, freeing the host USB ports from supplying bus power.
Resolution headroom and USB bandwidth
Video throughput reaches 8K at 60 Hz or 4K at 144 Hz over DisplayPort 1.4 and 8K at 60 Hz over HDMI 2.1, with backward compatibility down to lower modes. The four USB 3.0 ports deliver up to 5 Gbit/s each — ten times the 480 Mbit/s ceiling of USB 2.0 — handling keyboards, mice, printers and storage concurrently. Extended and mirrored display modes are both supported across the three monitors.
Highlights
- Control two PCs across three monitors from one keyboard and mouse
- Supports up to 8K at 60 Hz and 4K at 144 Hz for high-refresh gaming or creative work
- Four USB 3.0 ports deliver up to 5 Gbit/s for fast peripheral sharing
- Switch instantly via front-panel buttons or the included wired remote
- Driver-free operation on Windows, Mac, Linux and Chrome OS
Specifications
| Model | 203DH KVM Switches |
|---|---|
| Type | HDMI + 2 DisplayPort KVM Switch 3 Monitors 2 Computers |
| PC Connectors | HDMI, Displayport, Displayport |
| Computer Connections | 2 Ports |
| Monitor Connections | 3 Ports |
| Video Resolution | Triple monitor KVM switch support up to 8K@60Hz, 4K@144Hz resolutions and is backward compatible. |
| PC Selection | Push Buttons and Wired Remote |
| Monitors Supported | HDMI, Displayport, Displayport |
| LED Indicators | Yes |
| Power Features | Come with DC12V Power Adapter |
| USB Features | with USB support |
| Application | KVM switch 3 monitors 2 computers connects 2 desktops or laptops to share 3 monitors and 4 USB devices. You only need one set of wired or wireless keyboard mouse to control 3 monitors. Supports multiple display modes (Extended and Mirror Mode). |
| Features | 2 computers share 3 monitors and 4 USB 3.0 devices |
| Dimensions | 4.72 x 2.6 x 1.73 inches |
| Weight | 8.82 ounces |
| Package Contents | 1*Triple Monitor KVM Switch, 1*HDMI2.1 Cable, 2*DP1.4 Cables, 2*USB3.0 Cables(1.5m/4.9ft), 1*Wired remote controller(1.52m/5ft), 1*User manual, 1*12V Power Adapter(1.52m/5ft) |
Questions about this item
What is the maximum refresh rate at 4K when all three monitors are driven continuously?
The switch supports up to 4K at 144 Hz on each connected display.
How warm does the unit get and does it need a fan when powered all day?
It runs on an external 12 V power adapter and has no built-in fan; normal warmth is expected during continuous use.
Which cables and ports must my two computers already provide for the switch 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 included cables.
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