Amazon.com: KVM Switch HDMI 2 Port Box,ABLEWE USB and HDMI Switch for 2 Computers Share Keyboard Mouse Printer and one HD Monitor,Support UHD 4K@60Hz,with 2 USB Cable and 2 HDMI Cable :
HDMI 2.1 vs 2.0 - What's the Difference? - ElectronicsHub
1.8m High Speed True 4K HDMI Cable with Ethernet - 2L-7D02H, ATEN HDMI Cables | ATEN Corporate Headquarters