Compatibility Warning: Use only the included USB4 20 Gbps cables. Do not use Thunderbolt 3/4/5 cables. The switch works with USB4 and Thunderbolt 4 docks, but its 20 Gbps bandwidth (vs. 40 Gbps for most docks) may limit the number of displays or the maximum resolution/refresh rate compared to your original setup. macOS only supports one external display. Avoid USB-C docks with built-in pigtail / captive cables to prevent compatibility issues. Ultra-Fast 20 Gbps USB4 / USB C Switcher for 3 Computers: Share a USB-C or Thunderbolt 4 monitor or docking station between three computers with this USB C KVM switch. Connect the pigtail cable to your monitor or docking station and the included USB-C/USB4 cables to each computer for seamless sharing. Achieve data transfer speeds up to 20 Gbps, perfect for large file transfers, video streaming, and demanding applications. 8K Video Resolution Support: Experience stunning 8K video output at 30Hz, delivering exceptional clarity and color accuracy for both professional and entertainment use. Supports up to 8K@30Hz / 5K@60Hz / 4K@144Hz on Windows, and 4K@60Hz on macOS when connected to a single USB-C or Thunderbolt 4 monitor. Compatible with popular models including Dell UltraSharp U3224KB, U3425WE, U2723QE, U4025QW, U2720Q, Dell S2722QC, HP E27m G4 QHD USB-C Monitor, HP Z43 42.5-inch 4K UHD Display, HP Z32k G3 4K USB-C Monitor, ThinkVision P27h-20, T32p-20, LG 27UN850-W, and LG 32UN880-B. Docking Station Conversion: Convert any USB-C or Thunderbolt 4 docking station into a fully functional Thunderbolt KVM switch. Connect and control 3 computers using one docking station on Windows, streamlining productivity and maximizing workspace efficiency. Compatible with popular TB4 docks with a detachable host cable: CalDigit TS4/Element Hub, Lenovo ThinkPad Universal TB4 (40B0), Plugable TBT4-UDZ/UDX1, OWC 11-Port TB4/Thunderbolt Go, Anker 777/778, Satechi TB4 Dock, Kensington SD5780T, Cable Matters TB4 Dock 107054, Belkin TB4 Dock Pro INC006, and more. 140W PD Charging: This USB-C switch supports up to 140W Power Delivery to fast-charge your active laptop, tablet or any other USB-C device while transferring data at up to 20Gbps. Connect to a USB-C or Thunderbolt 4 display or compatible dock to keep your device powered. Note: Only the selected (active) computer receives charging - not all connected devices at once. Convenient RF Remote Control for Effortless Switching: Easily switch between three connected laptops using the included RF remote control, without the need for additional software or drivers. Maintain a clean, organized workspace with minimal cables and switches. The remote control adds flexibility, making it easier to manage your devices and ensures the USBC switch fits perfectly into your workspace setup. Cable Matters 20 Gbps USB-C Switch, 3-in-1-out