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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 Support
    Provides ultra-high-definition video output with smooth motion and high clarity.

  • HDR & Dolby Vision Compatibility
    Delivers enhanced contrast, color depth, and visual performance.

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

  • USB 3.0 Peripheral Sharing
    Connect and share keyboards, mice, storage devices, and other USB peripherals between computers.

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

  • Multiple Switching Methods
    Switch systems via IR remote control, front panel buttons, or keyboard hotkeys.

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

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Product Description

The CXKVM-41H21-U3 HDMI 2.1 KVM Switch provides efficient control of up to four computers from a single workstation. Supporting HDMI 2.1 bandwidth up to 48Gbps, it enables 8K@60Hz and 4K@120Hz resolution, delivering high-performance video output suitable for professional workstations, gaming environments, and multimedia setups.

With an integrated USB 3.0 hub, users can share peripherals such as keyboards, mice, and storage devices between connected systems, helping reduce desk clutter while improving workflow efficiency.

Support for HDR, Dolby Vision, Dolby Atmos, 3D, and deep color formats ensures premium audiovisual performance, while multiple switching options—including hotkey commands, remote control, and front panel buttons—offer flexible and convenient system management.

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
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.