UGREEN HDMI Dual-Monitor KVM Switch (2 PCs) Review
One button swaps two monitors and four USB peripherals between two computers — ideal for hybrid work and tidy desks.
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Key features & who it’s for
- 2 PCs → 2 monitors via HDMI; switch both screens and USB with one button or the desktop controller.
- 4K@60Hz supported, plus 1440p@120Hz and 1080p@240Hz with HDR for smoother gaming or scrolling.
- 4× USB 3.0 (3×USB-A + 1×USB-C up to 5 Gbps) for keyboard, mouse, webcam, mic, drives, etc.
- Driver-free (Windows/Linux/macOS) — plug in and go.
- No hotkey switching (use front button or wired remote).
- Great for Raspberry Pi projects when juggling multiple boards/OS images.
Setup & cabling (dual-monitor)
- From PC 1: connect HDMI 1 + HDMI 2 to the KVM’s PC1 inputs, and a USB-A cable to the KVM’s PC1 USB port.
- From PC 2: connect HDMI 1 + HDMI 2 to the KVM’s PC2 inputs, and a USB-A cable to the KVM’s PC2 USB port.
- To your monitors: connect two HDMI leads from the KVM’s outputs to each display.
- Plug your keyboard/mouse/webcam etc. into the KVM’s four USB 3.0 device ports.
- Use the front button or wired desktop controller to switch both screens and USB between devices.
Performance & switching
This unit handles up to 4K at 60 Hz crisply for productivity and media, with headroom for 1440p at 120 Hz or 1080p at 240 Hz if you prefer speed over pixels. USB devices reconnect quickly on each switch and the wired controller is handy if the KVM sits under a desk.
Compatibility notes
- You need 2× HDMI outputs + 1× USB-A on each computer/device. Many SBCs (incl. recent Raspberry Pi models) offer dual micro-HDMI outputs.
- Both monitors show the selected device. You can’t view Device A on Monitor 1 and Device B on Monitor 2 simultaneously.
- macOS & dual extended: many Apple-silicon MacBooks natively drive only one external display; dual extended often needs a DisplayLink dock/adapter. Mirroring works natively.
- No hotkey switching — use the button or desktop remote.
Pros & cons
| Pros | Cons |
|---|---|
| Smooth 4K60 plus 1440p120 / 1080p240 options | Doesn’t do 4K120 (use 1440p120 for high refresh) |
| 4× USB 3.0 device ports (incl. 1× USB-C) | Requires two HDMI outs per device — some laptops/SBCs need adapters |
| Wired desktop controller for easy switching | No hotkey switching support |
| Plug-and-play across Windows/macOS/Linux | EDID/handshake can cause brief resyncs on some setups |
FAQs
Does this support 4K at 120 Hz?
No — it supports up to 4K@60. For higher refresh, use 1440p@120 or 1080p@240.
Can each monitor show a different device?
No — both monitors switch together to the same source.
Is hotkey switching supported?
No — switch using the front button or the wired desktop controller.
What’s in the box?
Typically: the KVM, a desktop remote, power adapter, 2× USB 3.0 host cables and 4× HDMI cables (check the current listing).
Will this do dual-extended on a MacBook?
Many Apple-silicon MacBooks only natively drive one external display; dual-extended usually needs a DisplayLink dock/adapter. Mirroring works natively.
Verdict
If you juggle a work PC, a gaming rig — or Raspberry Pi 500/500+ projects — this UGREEN KVM is a tidy, reliable way to share two monitors and USB 3.0 gear without re-plugging. Get the right cables and you’ll wonder how you lived without it.
