StarTech 4 Port StarView DVI USB KVM Switch with Audio

Control up to 4 high resolution multimedia computers from a single console
The SV431DVIUAHR 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio provides simple, yet comprehensive KVM control of up to 4 directly connected computers with dual link DVI output and USB keyboard and mouse connections.
Audio switching capability and support for high resolution dual link DVI applications up to 2560x1600 @ 60Hz (up to 3840x2400 at lower refresh rates), make this KVM a superior switching solution that integrates perfectly into multimedia environments.
The DVI USB KVM Switch is compatible with all USB supported operating systems with no software or drivers to install, and features a built-in USB 2.0 hub that allows you to share up to 3 high speed USB devices between computers.
Backed by a StarTech.com 3-year warranty and free lifetime technical support.
* Dual Link DVI interface supports higher resolution applications, allowing you to take full advantage of your larger high resolution monitor’s workspace
* Integrated USB 2.0 hub allows the user to have full multimedia control and share USB peripherals eliminating the expense of duplicate devices
* Supports even higher resolutions (exceeding 2560x1600) by using a lower refresh rate. Example 3840x2400 @30Hz