Share keyboard mouse and DisplayPort display between four HD multimedia systems 4 Port DisplayPort KVM DP KVM Switch / 4 Port USB DisplayPort KVM Switch with Audio / 4Port KVM Switch Supports digital DisplayPort 7.1 HD audio or separate 3.5mm analog audio connections USB peripheral sharing using the integrated hub eliminates the expense of duplicate devices Compatible with Mini DisplayPort adapters for Apple MacBook connectivity Hotkey and push-button switching