The SD4900P USB-C and USB 3.0 Triple 4K Docking Station expands connectivity while delivering spectacular true-to-life 4K video for up to three monitors. Features include Triple 4K video output (HDMI or DP++), a unique design with support for USB-A and USB-C laptops and a 3-in-1 card reader. Select from six video ports (three HDMI and three DP++) to unleash the ultimate Triple 4K video experience for USB-C Alt Mode laptops. USB-A laptops support up to two 4K monitors via DisplayLink.