TRENDnet 4-Port USB KVM Switch Kit, VGA and USB Connections, 2048 x 1536 Resolution, Cabling Included, Control Up to 4 Computers, Compliant with Window, Linux, and Mac OS, White, TK-407K

The 4-port USB KVM Switch lets you manage up to 4 PCs with just 1 keyboard, monitor and mouse set. Switch between PCs simply by pressing a button. Separate sets of KVM cables are included, so you can start controlling 4 PCs instantly. The KVM cables also provide power to the KVM Switch, eliminating the need for a power adapter. Hot Key operations provide immediate access to features, such as computer switching and auto-scanning. With its Hot-Plug and Audible Feedback, the 4-port USB KVM Switch is the ideal choice for managing multiple PCs.