4 Port KVM Switch HDMI 4 IN 1 OUT This HDMI KVM switch 4 ports can make 4 computers to share 1 monitor and 4 USB devices by one set of keyboard and mouse., 4 in 1 out. It's compatible with multiple system such as, Windows, Linux, UNIX, Mac, etc. It comes with a wide compatibility. Special Features: Support HDMI 3.0, HDCP2.2 standardsUSB3.0 ports, high-speed transmission Support 18Gbps data rateSupport resolution max up to 3840*2160@60HzAdaptive EDID , able to adapt to a variety of complex application environmenHigh compatibility, can auto-match source and display device.Easy to install, plug and play 4 PCs Share 1 Monitor with 1 Set of Keyboard and Mouse You can use one set of keyboard and mouse to control 4 computer sharing 1 monitor. You don't need to place 4 monitors on the desktop, it greatly save the space on desktop. This 4 port kvm is really a good choice for you if you need multiple computers for work. Ultra HD 4K@60Hz Resolution The KVM switch 4 computers 1 monitor comes with UHD 4K@60Hz resolution. The output image quality of 4K@60Hz is higher than 4K@30Hz. You can enjoy a high-definition visual feast with this 4 port KVM swith HDMI. 4+3 USB 3.0 Ports Dieser KVM-Switch HDMI verfügt über 4 USB3.0-Anschlüsse zum Anschluss an den PC und 3 USB3.0-Anschlüsse zum Anschluss externer Geräte, which come with high-speed transmission. They support multiple USB devices such as, keyboard, mouse, U-disk, printer, gamepad, webcam, etc. Please note that they are not support USB 3.0 devices. How to Connect? 1. Connect the micro USB power cable to the "DC 5V" port; 2. Connect HDMI cable and USB A-B cable to the HDMI IN and USB port of PC1、PC2、PC3、PC4; 3. Use HDMI cable to connect the HDMI OUT of the KVM to the monitor; 4. Connect the USB devices to the USB 3.0 ports.