StarTech.com 2 Port Dual Monitor DisplayPort KVM Switch with (SV231DPDDUA)
Amazon.com: KVM Switch, Displayport & HDMI 2-Port Switcher for 2 Computers Share 1 Monitor and 4 USB 2.0 Devices, 2 DP Input and 1 HDMI Output, One Key to Switch, with All Needed Cable : Electronics
Amazon.com: Cable Matters USB 3.0 KVM Switch DisplayPort 1.4 for 2 Computers with 8K@60Hz / 4K@120Hz Display Port Video & 3X 5Gbps USB Ports, FreeSync, G-SYNC and HDR Support - RF Remote
Monoprice 4K 2-Port DisplayPort 1.2a and USB 2.0 KVM Switch - Monoprice.com
Amazon.com: DisplayPort KVM Switch 2 Port, KVM Switch DisplayPort for 2 Computers Sharing 1 Monitor, Support 4K@60Hz, 2K@144Hz, with Extended Control Switch : Electronics
1.4 Display Port KVM Switch - Triple Monitor - Two Computer — Level 1 Techs