Use a keyboard and mouse and a DisplayPort monitor for four HD multimedia systems. 7.1 channel High Definition audio support and dual channel analogue stereo and microphone Full plug and play support with USB keyboards, mice and connected peripherals Quick key and push button change Native DisplayPort resolution of 2560 x 1600 at 60 Hz; over 1080p Operating system independent - no driver or software required The 4-port USB DisplayPort KVM switch with Audio SV431DPUA combines next-generation display standards with easy KVM control of up to 4 connected PCs or Mac computers. With 2560 x 1600 DisplayPort resolutions at 60 Hz, as well as 7.1 HD Digital Audio (supported on displays and sources) and separate support for 3.5 mm stereo audio. With a built-in USB 2.0 hub, 2 additional peripherals can be controlled by multiple connected computers as if they were directly connected. The maximum supported resolution of 3840 x 2400 at reduced refresh rates is suitable for high quality static imaging applications such as healthcare (MRI, X-ray diagnostics, etc.). The 4-port KVM is a simple yet comprehensive solution with front panel push button and hot keys for switching. The small housing with connections at the back minimizes interference in the workplace.