4 PCs 1 Monitor HDMI KVM Switch 8K 4 Ports HDMI KVM Switch KVM Switch with EDID Supports up to 8K@60Hz/4K@144Hz Please use an 8K HDMI 2.1 cable. Please make sure your computer and monitor support 8K@60Hz/4K@144Hz KVM-Details Power switch DC12V Port 4 USB 3.0 Ports 3.5 mm headphone jack