4 COMPUTER WORKSTASTION: Share a keyboard, mouse and DisplayPort monitor between four Windows or Mac computers. The 4 port switch also features an integrated USB 2.0 hub that enables USB peripheral sharing, eliminating the need for duplicate devices. HD & AUDIO SUPPORT: The DP KVM switch supports high-def resolutions up to 2560x1600 at 60Hz and 3840x2400 at lower refresh rates, ensuring superb picture quality. The switch also supports 7.1 channel audio plus dual channel analog stereo and microphone. PLUG-AND-PLAY: Enjoy full plug-and-play support with your USB keyboard, mouse, audio devices, and connected peripherals; this KVM switch box also supports hotkey and push-button switching for ultimate convenience. BROAD OS COMPATIBILITY: This 4 port DP KVM switch supports any operating system, including the latest versions of Windows, Mac and Linux, and will also support previous versions, ensuring broad compatibility. INDUSTRY-LEADING SUPPORT: StarTech.com offers a 3-year warranty and free lifetime technical support on this DisplayPort KVM switch with audio, and has been the choice of IT professionals and businesses for over 30 years.