ATEN US3311. Keyboard port type: USB, Mouse port type: USB, Video port type: DisplayPort. HD type: 4K Ultra HD, Maximum resolution: 3840 x 2160 pixels, Video bandwidth: 60 Hz. Product color: Silver, Housing material: Aluminum. Power source: DC, Input voltage: 12 V, Input current: 3 A. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina,..., Other operating systems supported: Android