CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0
CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0 - Image 2
CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0 - Image 3
CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0 - Image 4
CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0 - Image 5
CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0 - Image 6

CXKVM-21H20-U3DM 2×2 HDMI 2.0 Dual Monitor KVM Switch – 4K@60Hz with USB 3.0

  • 2 Computers / Dual Monitor Control
    Operate two computers using a single keyboard and mouse while supporting two display outputs.

  • HDMI 2.0 Video Performance
    Supports resolutions up to 4K@60Hz RGB 4:4:4 (8-bit) for sharp and stable image quality.

  • High Refresh Rate Compatibility
    Supports 1080p@144Hz and 2K@144Hz, suitable for high-performance displays and gaming.

  • Dual Monitor Extended Display
    Allows extended or mirrored desktop across two monitors to improve multitasking efficiency.

  • USB 3.0 High-Speed Hub (5Gbps)
    Share peripherals such as keyboard, mouse, external drives, and printers between systems.

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

  • Advanced Audio Format Support
    Compatible with DTS-HD, Dolby TrueHD, and Dolby Atmos audio formats.

  • Deep Color Support
    Supports 24-bit, 30-bit, and 36-bit deep color for improved image depth.

  • Multiple Switching Methods
    Switch systems via external controller or front panel buttons.

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Product Description

The CXKVM-21H20-U3DM HDMI 2.0 Dual Monitor KVM Switch allows efficient control of two computers using a single keyboard, mouse, and dual monitor setup. Designed for professional workstations, control environments, and multitasking setups, it delivers stable 4K@60Hz RGB 4:4:4 video performance across both displays.

Its integrated USB 3.0 hub with up to 5Gbps transfer speed allows peripherals to be shared between connected systems without reconnecting devices. The dual monitor functionality enables extended workspace configurations that improve productivity for developers, designers, traders, and advanced users.

With support for HDR, Dolby Vision, DTS-HD, Dolby TrueHD, and Dolby Atmos, the CXKVM-21H20-U3DM ensures high-quality audiovisual performance while maintaining simple and reliable switching between systems.

Specifications

Model CXKVM-21H20-U3DM (SW21H20A-KU32D)
Computer Inputs 2
HDMI Outputs 2 (Dual Monitor)
HDMI Version HDMI 2.0
Max Resolution 4K@60Hz
High Refresh Rates 1080p@144Hz, 2K@144Hz
USB Support USB 3.0 (5Gbps)
HDR Support HDR, Dolby Vision
Audio Formats DTS-HD, Dolby TrueHD, Dolby Atmos
Control Controller & Front Panel Buttons

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.