Amazon.com: 6X4 4K HDMI Matrix Switcher Extender by OREI - HDBaseT UltraHD 4K @ 60Hz 4:4:4 Over Single CAT5e/6/7 Cable with HDR, CEC & IR Control, RS-232 - Up to 132 Ft
Amazon.com: MT-VIKI 8x8 HDMI Matrix Switch 4K@30Hz, Rack Mount Switcher & Splitter with Backlit RS232 LAN Port and EDID ( 8 in 8 Out) : Electronics
4x4 HDMI Matrix Switcher / CAT5 Extender - Video Switchers
8 x 8 HDMI Matrix Switch with Scaler - VM5808H, ATEN Video Matrix Switches | ATEN Corporate Headquarters