Four Displaying Universal Adapter Suppotr UP-stream Port Type C. Support usb3.1 Gen1. 3 down-stream ports support transfer rates up to 5Gbps. 2-in-1 USB 3.0 3 port hub and 10/100/1000M self-adjusting Ethernet Adapter. Wired Gigabit Ethernet data transfer speeds reach up to 1000 Mbps, ensuring faster and more stable web surfing than Wi-fi; Smart and energy-saving: Supports crossover detection and auto-correction as well as Wake-on-LAN, which can wake up your computer remotely. Also supports IEEE 802.3az (Energy Efficient Ethernet). Compatible with USB 2.0 and 1.1 and supports Windows 8/7/Vista/XP/Linux and Mac OS X 10.8 and above. Also supports backpressure routing and IEEE 802.3x flow control for full-duplex (FDX) and half-duplex (HDX) systems.