The 4Port USB DisplayPort DualDisplay Secure KVM Switch from ATEN is designed to meet the stringent security requirements of defense and intelligence installations. It is compliant with the PSS PP v3.0 Protection Profile for Peripheral Sharing Switch, Version 3.0 standard certified by the National Information Assurance Partnership NIAP, ensuring highlevel desktop security and data safekeeping. This fourport model uses a DisplayPort dualdisplay video interface and supports video resolutions of up to 4K UHD 3840 x 2160 at 30 Hz. Features. Port selection only via pushbuttons to enhance security. LED indicators for peripheral filtering and KVM security statusSpecifications. Supported Resolutions 3840 x 2160. Weight 6.3 lbs