4K USB triple monitor docking station supports resolution up to 3840 x 2160p on one display Triple display docking station lets you connect and charge your USB devices with 5 x USB 3.0 ports including a fast-charge port TAA compliant USB 3.0 docking station has 5x USB 3.0 (AKA USB 3.1 Gen 1) ports and a GbE port transforming your laptop into a workstation 3-year warranty on this universal laptop docking station with HDMI / DisplayPort and all USB 3.0 port replicators