DP 1.4 KVM Switch 4 Port - 4 IN 2 OUT 8K@60Hz dual monitor KVM switch (DP+DP) 4 computers share 2 monitors and USB 3.0 devices. The dual monitor kvm KVM switches HDMI 2.0 can connect 4 computer hosts to share a set of keyboard, mouse and 2 monitors. Supports Windows/Vista/XP and Mac operating systems, Linux and Unix, plug Support Buttons on the front and external switch buttons to control KVM switch input sources. Supports USB 3.0 transfer rates of up to 5 Gbps. How do I connect? Plug the DC/12V adapter into the KVM. Plug the DP cable into the KVM and monitor (output). Plug the DP cable and USB cable into the KVM and your computer/laptop (DP cables are not included) (input)DP IN1 A + DP IN1 B + USB IN1=PC1DP IN2 A + DPIN2 B + USB IN2=PC2DP IN3 A + DPIN3 B + USB IN2=PC3DP IN4 A + DPIN4 B + USB IN2=PC4Plug mouse and keyboard into the KVM switch Supports advanced and duplicate display modes. Extended mode: PC host outputs 2 different images on 2 monitors. Copy mode: The computer host outputs 2 identical images on 2 monitors. Important note: For normal dual screen display, each PC needs to connect 2 DP lines + 1 USB line. For desktops or laptops without 2 x DP ports, you need to use a reliable adapter or USB-C docking station. Please make sure each of your computers supports two displays before purchasing. Test method: You can connect your PC directly to 2 monitors (not via KVM) Two switching modes Switching by button: Click the corresponding button, the LED light will light up, indicating the displayed computerSwitching via cable remote control: Plug the cable into the KVM and you can switch via wired remote control. The length of 1.5 m makes PC change more flexible. 8K @ 60Hz ultra-high-definition display This dual monitor 4-port DP KVM switch supports high resolutions up to 8K@60Hz and also supports 4K@60Hz or other lower resolutions (backward compatible). Please note: Only if your computer graphics card, monitor and DP cable all support 8K@60Hz, you can achieve the effect of 8K@60Hz. If you want to achieve the maximum resolution, the above conditions must also be met.