Diamond Multimedia USB303HE 3-Port SuperSpeed USB 3.0 Hub and Gigabit Ethernet LAN Network Adapter for Ultrabooks/Laptops/Desktop PCs and Macbooks/ Mac Desktops Windows 10, 8.1, 8, 7, Mac OS and Linux OS. (USB303HE) 3 Ports Super Speed Sub 3.0 Mini Docking Station Compliant with USB3.0, USB 2.0 specifications One up-stream supports Super-speed, high-speed and full-speed traffic Three down-stream ports support Super-speed, high-speed, full-speed and low-speed traffic IEEE 802.3, 802.3u, and 802.3ab compatible Supports IPv4/IPv6 packet Checksum Offload Engine (COE) to reduce CPU loading Supports full duplex operation with IEEE 802.3x flow control Supports Jumbo frame Supports remote wakeup via link-change, Magic Packet, Microsoft wakeup frame