Amazon.com: USB Switch Selector 4 Port, AIMOS USB KVM Switcher 4 Computers Sharing 4 USB Devices One-Button Swapping, for Share Mouse, Keyboard, Printer, Scanner, with 4 USB Cables : Electronics
4 Port 1U Rackmount USB KVM Switch - KVM Switches | StarTech.com
Amazon.com: CKL 4 Port USB 3.0 KVM Switch Dual Monitor HDMI 4K 60Hz, Keyboard Video Mouse Peripherals Switcher for 4 Computers 2 Monitors with Audio : Electronics
4 Port HDMI KVM Switch Support Max 4K@30Hz Input Using one Set of HDMI Monitor | LINOVISION US Store
4-Port HDMI USB KVM Switch, Audio, Video, USB Sharing | Eaton
HDMI KVM switch 4 port 4K60Hz with EDID,USB hub TESmart
UHDN-4P-QUADS - 4-Port, Quad-Head HDMI (4K/60Hz) Ultra-HD KVM switch w/ USB 2.0 and Audio
Amazon.com: CKLau 4 Port KVM HDMI Switch with Audio, Microphone, 2 USB 2.0 Hub and Cables Support Wireles Keyboard Mouse Resolution Up to 4Kx2K@60Hz 4: 4:4 : Electronics
StarTech.com SV431DPUA DisplayPort KVM - 4 Port with 7.1 Audio - 2560 x 1600 @ 60Hz - USB 2.0 Hub - KVM Switch 4 Port - USB KVM - KVM DisplayPort - Newegg.com