ATEN Cs782dp 4k UHD Supported for sale online | eBay
ATEN CS782DP 2-Port UHD 4K USB DisplayPort KVM Switch - allows to access two 4K-enabled computers from a single USB keyboard, USB mouse, and DisplayPort video console - Walmart.com
Amazon.com: USB DisplayPort/Audio 2 Port KVM Switch CS782DP ATEN 4K UHD (3840 × 2160 @ 60 Hz) 4K DCI (4096 x 2160 @ 60 Hz), Support Windows, Mac, Sun, and Linux, UK, 1 KVM Market Leader : Electronics