Startech 4-Port HDMI KVM Switch USB 3.0 1080p Black | Techinn
Amazon.com: USB VGA KVM Switch with 4 Cables, 4 Port Selector Switcher for 4PC Sharing One Video Monitor and 3 USB Devices, Keyboard, Mouse, Scanner, Printer : Electronics
4 Port Usb 2.0 Kvm Switch Box Adapter Connects Printer Monitor Use 1 Set Keyboard Mouse Control 4 Computers With Cable - Kvm Switches - AliExpress
Amazon.com: AAO 4x1 HDMI KVM Switch 4 Port Ultra HD 4K@30Hz, USB 2.0, HDCP 1.2, No Power Adapter Required, Support Wireless Input Device and Hotkey Switch, with 4 HDMI and USB Cables : Electronics
Amazon.com: CKL 4 Port KVM Switch Dual Monitor DisplayPort 4K 60Hz, 4 Computers x 2 Monitors KVM Switch with Audio and USB 2.0 HUBS DP 1.2 642DP : Electronics
Best Buy: IOGEAR 4-Port USB KVM Switch Black GCS24U
Desktop 4-Port KVM Switch; DVI & USB
E-SDS 4-PORT 4K HDMI KVM Switch 4K@30Hz YUV4:4:4 Undelayed Support Hot Keys Switch,Auto Switch,Hot Plug,Support Windows,Linux, Unix, MAC KVM401B - Newegg.com
4-Port VGA/USB 2.0 KVM Switch - FullHD
USB KVM 4-port Desktop Switch by Tripp Lite - Cableorganizer.com