This video splitter allows you to connect up to 4 HDMI displays to a DisplayPort connector on the PC. The display can be cloned or extended, so the same image on each of the 4 monitors or a simple video wall (1x4 or 2x2), where the display is distributed to the monitors side by side. In the connection of 2 these Splitters to a PC with 2 DisplayPort outputs, even a video wall with 2x4 monitors are supported Note: To use the video wall function, you need graphics cards with AMD Eyefinity or Nvidia Surround. Intel Collage is not supported.