ATEN CS784H 4-Port USB HDMI KVM Switch The ATEN CS784H 4-Port USB 4K HDMI KVMP™ Switch allows users to control up to 4 computers with a single USB keyboard, mouse and HDMI monitor. The CS784H effectively reduces desktop clutter and minimizes the cost and complexity of multi-system setups. The CS784H offers multiple methods of port selection, including a remote port selector switch, hotkeys and mouse wheel switching to ensure maximum flexibility. In addition, the CS784H features USB peripheral sharing, allowing users to share USB 2.0 devices such as printers, storage drives or scanners across all connected computers.