BUCIER
BUCIER KM402B-USB3.0-H KVM Switch 4K 60Hz 4 Port USB 3.0 Dual Monitor HDMI
A four-port USB 3.0 KVM switch lets you control four computers from one keyboard, mouse and dual HDMI monitors at up to 4K 60 Hz with EDID emulation
- TypeToggle
- PC SelectionToggle
- Power Features5 volts
- Weight0.885 kilograms
- Control 4 computers with one keyboard, mouse and dual monitors
- EDID emulation keeps windows in place when switching inputs
- Dual HDMI outputs up to 4K 60 Hz YUV 4:4:4
- Front-panel button and wired remote for instant switching
- Three USB 3.0 ports plus separate audio and microphone output
Four-computer dual-monitor KVM switch
The BUCIER KM402B-USB3.0-H is a new HDMI KVM switch that lets one keyboard, one mouse and two monitors control four computers. It complies with HDMI 2.0 and supports a maximum resolution of 4K at 60 Hz with YUV 4:4:4 colour, HDCP 1.4 and HDR 2.2. Three USB 3.0 ports and independent audio and microphone outputs are also shared across the four connected systems.
Who this suits and who should look elsewhere
This switch suits professionals who run four PCs or laptops at a single desk and want a tidy, cable-hidden setup with instant switching via front button or wired remote. It is not suited for users who only need one monitor, who have fewer than three computers, or who require DisplayPort video inputs.
Deciding specification — dual-monitor HDMI input
Each of the four connected computers must provide two HDMI outputs to drive both monitors; a system with only one video output cannot use the dual-screen modes. If your hardware meets that condition, the switch delivers 4K 60 Hz extended, mirrored or spliced desktops with EDID emulation that keeps window layouts stable when you change sources.
Highlights
- Control 4 computers with one keyboard, mouse and dual monitors
- EDID emulation keeps windows in place when switching inputs
- Dual HDMI outputs up to 4K 60 Hz YUV 4:4:4
- Front-panel button and wired remote for instant switching
- Three USB 3.0 ports plus separate audio and microphone output
Specifications
| Brand | Arkidyn Plus |
|---|---|
| Model | KM402B-USB3.0-H |
| Part Number | KM402B-USB3.0-H |
| Type | Toggle |
| PC Selection | Toggle |
| Power Features | 5 volts |
| Weight | 0.885 kilograms |
Questions about this item
What is the highest refresh rate the KM402B-USB3.0-H can sustain at 4K resolution?
The switch supports a maximum of 4K at 60 Hz, matching the HDMI 2.0 bandwidth limit.
Does the unit run hot or draw extra power when all four computers are connected continuously?
It operates from a 5 volt supply and has no fan, so heat and power draw stay low during all-day use.
Which cables must I already have to connect four PCs to the dual HDMI outputs?
You need eight HDMI cables and four USB 3.0 cables — two HDMI and one USB per computer — to use both monitors on every system.
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