This 2 HDMI + Displayport triple monitor KVM switch is perfect for 4computers to share 3 monitors and 4 USB 3.0 devices.
To make 3 monitors working, each computer willneed 2 HDMI cable + 1 DP cables + 1 USB cable connection. Please buygood HDMI and DP cable yourself, if HDMI cable and DP cable is not goodenough, the screen will flicker or unstable.
This kvm switch supports extended mode (threescreens display different contents), and duplicate mode (the threescreens display the same contents)
Note: Please connect the 12V DC power adapterto provide sufficient power. Using a shorter 8K HDMI + DP cable can makethe KVM switch more stable.