WRIARICH
WRIARICH 402B 4-Port Dual HDMI KVM Switch 4K 60Hz USB 3.0
Control four computers with one keyboard, mouse and dual 4K 60 Hz monitors via HDMI, USB 3.0 and audio switching
- TypeHDMI, USB
- PC ConnectorsHDMI, USB 3.0, 3.5mm Audio
- Computer Connections4 Port HDMI - Dual Monitor
- Monitor Connections2 Ports HDMI
- Video ResolutionSupports high resolution up to 3840*2160@60Hz and downwards.
- PC SelectionPush Buttons and Desktop Controller
- Control four computers with one keyboard and mouse set
- Dual 4K 60Hz HDMI output for extended or mirrored displays
- Three USB 3.0 ports share peripherals across all systems
- Push-button and wired remote switching for instant source changes
- EDID emulation keeps display settings stable when switching
Four-computer dual-monitor control
This 402B HDMI KVM switch connects four computers to one keyboard, mouse and two monitors. Each source must provide two HDMI outputs to use both displays. The unit suits multi-system workstations that need simultaneous access to several machines without extra peripherals.
Passive cooling with external 12 V supply
The metal enclosure dissipates heat without fans, so operation stays silent. A bundled DC 12 V adapter powers the switch and the three downstream USB 3.0 ports, keeping connected drives or docks stable during long sessions.
Wired remote and four host cables included
A push-button remote lets you change the active computer from a distance. Four USB 3.0 Type-A to Type-B cables and a user manual complete the kit, so every host can be linked immediately without extra purchases.
Highlights
- Control four computers with one keyboard and mouse set
- Dual 4K 60Hz HDMI output for extended or mirrored displays
- Three USB 3.0 ports share peripherals across all systems
- Push-button and wired remote switching for instant source changes
- EDID emulation keeps display settings stable when switching
Specifications
| Model | 402B HDMI KVM |
|---|---|
| Type | HDMI, USB |
| PC Connectors | HDMI, USB 3.0, 3.5mm Audio |
| Computer Connections | 4 Port HDMI - Dual Monitor |
| Monitor Connections | 2 Ports HDMI |
| Video Resolution | Supports high resolution up to 3840*2160@60Hz and downwards. |
| PC Selection | Push Buttons and Desktop Controller |
| Monitors Supported | HDMI, HDMI |
| LED Indicators | Yes |
| Audio Features | with Audio Microphone Output |
| Power Features | Come with DC12V Power Adapter |
| USB Features | with USB support |
| Application | This 4 IN 2 OUT HDMI dual monitor KVM Switch allows you to control 4 computers or laptops with one set of keyboard, mouse, and single or dual monitors to make your workspace tidy and efficient, also a premium choice for working from home. |
| Features | This dual monitor HDMI KVM switch Supports maximum resolution up to 4K 60Hz YUV 4:4:4, HDCP 1.4, HDR 2.2, with EDID Emulator; Dual monitors output support up to 4K@60Hz for extended, mirrored or spliced display(Depends on your computer's graphics card.); Compatible with Windows 11/10/7/2000/XP/Vista, Linux, UNIX, Ubuntu, Fedora, and other systems; 2 Switching modes: Button switch and wired remote. Independent Audio Microphone output. |
| Dimensions | 23.42 x 17.42 x 5.71 cm |
| Weight | 885 g |
| Package Contents | 1 x USB 3.0 HDMI dual monitor KVM switch, 1 x Power adapter, 1 x Wired Remote Switch, 4 x USB 3.0 Type-A to B cable, and 1 x User Manual |
Questions about this item
How do I connect four computers to the 402B KVM and what is the step people often miss?
Connect each computer to two HDMI ports, one USB 3.0 Type-A to B cable and one 3.5 mm audio cable, then attach the two monitors to the HDMI outputs; the step often missed is providing two HDMI sources per computer for dual-monitor operation.
Which parts of the 402B setup will need replacement over time?
The four USB 3.0 Type-A to B cables, the four HDMI cables per computer, the 3.5 mm audio cables and the DC 12 V power adapter are the items that wear out and may need replacing.
What is the first limit reached when running the 402B continuously at 4K 60 Hz?
The HDMI bandwidth ceiling of 3840×2160 at 60 Hz with YUV 4:4:4, HDCP 1.4 and HDR 2.2 is the first limit encountered under sustained use.
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