4-Port 4K DisplayPort & Audio KVM Switch with USB 3.0 Hub | gofanco
Manhattan 4-Port Compact KVM Switch 151269 B&H Photo Video
VGA KVM Switch 4 Port with USB Hub, KVM Switch for 4PC Sharing VGA monitor | eBay
4 Port HDMI KVM Switch Support Max 4K@30Hz Input Using one Set of HDMI Monitor | LINOVISION US Store
IOGEAR - GCS1424TAA4C-UN - Universal 4-Port Dual View DisplayPort/HDMI Secure KVM Switch Set w/Audio and CAC Support
Amazon.com: TESmart 4-Port HDMI KVM Switch with 2 Pcs 5ft KVM Cables 3840x2160@60Hz 4:4:4 UHD Supports L/R Audio Output and USB 2.0 Device Control : Electronics
Amazon.com: Rybozen KVM Switch 4 Computers, 4K USB KVM Switches 4 in 1 Out for 4 PCs Share One HD Monitor and 4 USB Devices Keyboard Mouse Printer, with 4 USB Cables
4 Port USB KVM Switch & USB 2.0 Hub - KVM Switches | StarTech.com
Amazon.com: KVM Switch HDMI 4K@60Hz for 4 Computers Share 1 Monitor, KVM Switch 4 Port with 4 USB 2.0 Ports Share Keyboard Mouse, Button Switch, Plug and Play, with 4 HDMI and 4 USB Cables… : Electronics