⭐【20-in-1 Enterprise-Level Docking Station】: The Wavlink enterprise-level quad 4K universal docking station is an ideal choice for large enterprises and designers, which provides a total of 20 ports: 1 x dc in, 1 x dc out, 1 x usb-c(upstream), 4 x displayport, 4 x hdmi, 1 x rj45 ethernet port, 1 x 4-pole 3.5mm phone jack, 1 x sd card reader, 1 x tf card reader, 3 x usb3.0-a, 1 x usb3.1-a, 1 x type-c(downstream, no data).