IOGEAR - GCS1934M - 4-Port 4K DisplayPort KVMP Switch with Dual Video Out and RS-232
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 : Electronics