[3 Monitor KVM Switch 4 Computer] This KVM switch allows 4 computer to share 3 monitors and 3 USB 3.0 ports, for keyboard, mouse, printer etc. Supports expansion/copy mode. Note: Please make sure your computer has 1 DP + 2 HDMI ports and supports multiple monitors. [Ultra HD 8K@60Hz] The HDMI 2.1, DP 1.4 KVM switch supports resolution up to 8K@60Hz and downwards. Note: Final resolution is also subject to graphic cards, monitors, cables and adapters. [with 3 USB 3.0 Ports & Microphone Output] with 3 USB 3.0 ports which can recognize keyboard,mouse,printer and other USB devices. USB 3.0 offers data transfer speeds of up to 5Gbps, while USB 2.0 offers data transfer speeds of only 480Mbps. Also supports separate audio and microphone output. [2 Switching Mode & LED Indicator] 1. Toggle selection on front panel; 2. Wired remote switch. Compatible with Windows, Linux, Mac, Unix, Ubuntu, Raspberry and most other major OS; LED indicate the active computer.