8K@60HZ DisplayPort Triple Monitor KVM Switch for 2 Computer Sharing 3 Monitors and 3 USB 3.0 Ports Advantages: Share one set of keyboard, mouse and 3 monitors (3 DisplayPort) between 2 computers or laptops;3 monitors output support up to 8K@60Hz for extended or mirrored display（Depends on your computer's graphics card.）;No complicated installation is required, and non-professionals can easily operate it, Ideal for multi-tasking professionals and gamers who need to access multiple devices quickly and efficiently;Cross support major operation systems including Windows, Linux, Mac and more;2 Switching modes: Buttons on the front panel and wired remote;The ports that need to plug in DP/USB cables are all hidden behind the KVM, so the desktop doesn't get cluttered;A USB hub can expand the USB3.0 ports if multiple connections are required, also an audio microphone output. installation steps: 1. Insert the DC/5V adapter into the KVM ; 2. Plug the 3 DP cable into the KVM and monitor;(3 DP Output) 3. Plug the 3 DP cable and USB cable into the KVM and your computer/laptop (DP cables are not included)(Input) DP IN 1A + DP IN 1B + DP IN 1C + USB IN 1=PC1 DP IN 2A + DP IN 2B + DP IN 2C + USB IN 2=PC2 Please check whether DP IN 1A, DP IN 1B, DP IN 1C, and USB IN 1 corresponding, and whether DP IN 2A, DP IN 2B, DP IN 2C and USB IN 2 are corresponding. Mixed insertion is not supported. 4. Insert the mouse and keyboard into the KVM switch 5. If needed, you can connect a microphone and audio port Note： 1. Most of the reasons why only one video output works is because of incorrect connection. Please make sure each PC has(3 DP cables+1 USB cable) connect to the KVM. 2. If the KVM switch does not work, you can turn off the switch on the panel and turn it on again after 2-3 seconds, and it will return to normal. 3.If the input USB3.0 ports are not connected or connected incorrectly, the output USB device will not be recognized. 4. Note: DP cables are not included 2 Display Modes Extended DisplayMirrored Display 1)Extended mode can output 3 different screens and mirror mode can output 3 identical screens.Note：If your graphics card has a splicing screen function, you can use the splicing screen mode. 2) The requirement for this KVM to achieve a 3-screen display is that each PC you connect to has the capability to support a 3 screen display. This has nothing to do with KVM. 8K UHD Resolution This kvm switch 3 monitor supporting high resolution max up to 8K@60Hz, and also supports 4K@60Hz or other lower resolution (Downward Compatible). Note: Only when both your computer Graphics card, monitor and DP cable support 8K@60Hz then you can get 8K@60Hz effect, so if you want the max resolution you have to check your devices first.