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CXKVM-41H21-U3 4×1 HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0

  • 4 Computers / 1 Display Control
    Manage up to four computers using a single monitor, keyboard, and mouse.

  • HDMI 2.1 High-Speed Performance
    Supports up to 48Gbps bandwidth for next-generation video transmission.

  • 8K@60Hz / 4K@120Hz Resolution
    Delivers ultra-high-definition video with smooth motion and clear detail.

  • HDR & Dolby Vision Support
    Provides enhanced contrast, brightness, and color accuracy.

  • Advanced Audio Format Support
    Compatible with Dolby Atmos and high-definition audio formats.

  • USB 3.0 Hub Integration
    Connect and share USB peripherals such as keyboard, mouse, storage devices, or printers.

  • 3D & Deep Color Support
    Supports 24-bit, 30-bit, and 36-bit deep color for improved visual fidelity.

  • Multiple Switching Methods
    Switch between connected computers via IR remote, front panel buttons, or keyboard hotkeys.

  • Stable Power Supply
    Requires a 5V / 3A power adapter for stable operation.

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Product Description

The CXKVM-41H21-U3 HDMI 2.1 KVM Switch is designed for advanced workstations, gaming environments, and professional control systems requiring efficient multi-computer management. With support for HDMI 2.1 bandwidth up to 48Gbps, it enables true 8K@60Hz and 4K@120Hz video output, delivering exceptional image clarity and smooth performance.

The integrated USB 3.0 hub allows users to control four computers with a single keyboard and mouse while sharing additional USB peripherals. Support for HDR, Dolby Vision, Dolby Atmos, and deep color formats ensures premium audiovisual quality for both productivity and entertainment applications.

With flexible switching methods including hotkey commands, remote control, and front panel buttons, the CXKVM-41H21-U3 provides reliable and convenient control in multi-system environments.

Specifications

Model CXKVM-41H21-U3 (SW41H21-KVMU3PDM)
Computer Inputs 4
Display Output 1 HDMI
HDMI Version HDMI 2.1
Bandwidth Up to 48Gbps
Max Resolution 8K@60Hz / 4K@120Hz
USB Support USB 3.0 Hub
HDR Support HDR, Dolby Vision
Audio Support Dolby Atmos
Control Remote, Hotkey, Front Panel
Power 5V / 3A Adapter

FAQ

Most frequent questions and answers

ExtendHD solutions work seamlessly with TVs, projectors, monitors, sound systems, and most standard HDMI-enabled devices.

No. Most ExtendHD products are plug-and-play. Advanced units may offer optional PC-based control for customization.

Absolutely. Our products are designed for professional-grade performance, suitable for offices, retail, classrooms, and home theaters.

Depending on the model, our HDMI extenders support distances up to 100 meters using CAT6/7 cables.

We offer dedicated customer support, user manuals, and setup assistance to ensure smooth installation and usage.

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ExtendHD delivers premium AV solutions—designed for seamless connectivity, professional performance, and reliable signal distribution across any environment.