4 Port DisplayPort KVM Switch with Audio & USB Hub - 

SV431DPUA is a 4-port DisplayPort KVM switch with audio that combines next-generation display standards with seamless KVM control of up to 4 connected Windows or Mac computers (video adapters may be required). Being able to switch the use of a keyboard, mouse, and monitor between multiple computers makes this DP KVM switch ideal for many applications, including multimedia design, post-production video editing and high-res digital signage server control. For optimal performance, we suggest connecting the KVM using the StarTech.com 4-in-1 KVM switch cable (DP4N1USB6). Featuring DisplayPort resolutions of 2560x1600 at 60Hz, as well as offering both 7.1 HD digital audio (with supporting monitors and sources) and separate 3.5mm stereo audio support, this DisplayPort KVM switch will not compromise your picture and audio quality. This DisplayPort KVM switch box is TAA compliant backed by a Startech.com 3-year warranty with free lifetime technical support.