CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0
CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0 - Image 2
CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0 - Image 3
CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0 - Image 4
CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0 - Image 5

CXKVM-21H21-U3DM 2×1 Dual Monitor HDMI 2.1 KVM Switch – 8K@60Hz / 4K@120Hz with USB 3.0

  • 2 Computer Inputs / Dual HDMI Outputs
    Control two computers using one keyboard and mouse while supporting dual monitor output.

  • HDMI 2.1 Ultra-High Resolution Support
    Supports 8K@60Hz and 4K@120Hz RGB 4:4:4 for smooth and detailed video performance.

  • Dual Monitor Extended Display
    Enables expanded workspace with two displays for professional productivity or gaming setups.

  • USB 3.0 High-Speed Hub
    Share USB peripherals such as keyboard, mouse, storage devices, and printers between connected computers.

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

  • Advanced Audio Format Compatibility
    Supports DTS-HD, Dolby TrueHD, and Dolby Atmos audio formats.

  • 3D & Deep Color Support
    Compatible with 24-bit, 30-bit, and 36-bit deep color for enhanced visual quality.

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

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Product Description

The CXKVM-21H21-U3DM HDMI 2.1 Dual Monitor KVM Switch is designed for advanced workstations, gaming environments, and professional setups that require efficient management of multiple computers. With support for HDMI 2.1 resolutions up to 8K@60Hz and 4K@120Hz, it delivers exceptional image clarity and smooth performance.

The device allows users to control two computers while operating two monitors in extended or mirrored display modes, significantly improving workflow efficiency. Its integrated USB 3.0 hub enables high-speed peripheral sharing across connected systems.

With support for HDR, Dolby Vision, Dolby Atmos, deep color, and 3D video, the CXKVM-21H21-U3DM ensures premium audiovisual performance while maintaining flexible control options via hotkeys, remote control, or front panel buttons.

Specifications

Model CXKVM-21H21-U3DM (SW21H21-KVMU3PDM)
Computer Inputs 2
HDMI Outputs 2 (Dual Monitor)
HDMI Version HDMI 2.1
Max Resolution 8K@60Hz / 4K@120Hz
USB Support USB 3.0
HDR Support HDR, Dolby Vision
Audio Formats DTS-HD, Dolby TrueHD, Dolby Atmos
Switching Methods Hotkey, Remote, Front Panel

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.