4-Port USB 3. 0 4K HDMI Dual Display KVMP(TM) Switch The ATEN CS1844 Dual Display KVMP(TM) Switch presents a valuable solution for desktop workstation with instant and effortless access to four HDMI interface computers from a single USB keyboard, mouse and two HDMI monitors; to meet users\' needs, the CS1844 is compliant with HDMI 2. 0 standard and supports superior video quality up to 4K DCI (4096 x 2160 @ 60Hz), offering the most stunning and vivid visuals. In addition, with patented ATEN technology - Video Dyna Sync(TM), which optimizes display resolution, speeds up switching between systems, and ensures that windows opened on an extended desktop will not revert to their default configurations on the main display when switching between ports, providing a smooth and uninterrupted user experience. Considering immediate data sharing, a built-in USB 3. 1 Gen 1 hub delivers data transfer rates up to 5 Gbps, allowing you to speed up operations and share USB peripherals efficiently. o One USB keyboard, mouse and two HDMI monitors control four HDMI computers and share two USB peripherals o Supports Quad Display by connecting two Dual Display KVM switches o Video Dyna Sync(TM) - an exclusive ATEN technology that optimizes display resolution, speeds up switching between systems, and ensures that windows opened on an extended desktop will not revert to their default configurations on the main display when switching between ports o Supports superior video quality - 4K UHD (3840 x 2160 @ 60Hz) and 4K DCI (4096 x 2160 @ 60Hz) o Computer selection via pushbuttons, hotkeys, mouse1, remote port selector, and RS-232 commands2 o Built-in 2-port USB 3. 1 Gen 1 hub with Super Speed 5 Gbps data transfer rates o Supports console keyboard emulation / bypass feature o Supports console mouse emulation / bypass feature o Independent switching of KVM, USB peripheral, and stereo audio focus3 o Multilingual keyboard mapping - supports English, French, Japanese, and German keyboards o HDMI 2. 0 complia