This Mini DisplayPort 1.2 to Dual HDMI MST Hub allows a Mini DisplayPort enabled device to connect to two HDMI enabled displays for video mirroring, video extension, or viewing a single video image across two displays. The hub is perfect for graphic design, spreadsheet analysis, and digital signage applications.Improve multitasking and increase productivity by configuring the hub to work as a splitter with the same video image on each display, extending a video image to multiple displays, or expanding a video image by joining multiple monitors together as one display. The hub is ideal for a multiple display desk setup and the light-weight, small form factor, also makes it easy to carry while traveling or just on the goThe hub supports resolutions up to 4K (3840 x 2160) at 60Hz when connected to a single display or 4K (3840 x 2160) at 30Hz when connected to dual displays and has a max bandwidth of 5.4Gbps.Note: This hub requires 5V/2A of power. In some instances, depending on the connected source device, additional external power may be required through the USB Micro-B port on the hub.This MST hub is DisplayPort 1.2 compliant. The source device video card and display must support DisplayPort 1.2 and MST.