Portta USB Type-C to 3 Port USB3.0 + Ethernet Hub Compatible with Mac or Windows Computers Equipped Hassle-free Connection with the reversible usb-ctm connector support 1X usb-ctm upstream, 3 downstream (USB 3.0 a-type) and a RJ45 port Support max data transmission rate up to 5Gbps support 10/100/1000Mbps auto-detection Support Twisted pair crossover detection and auto-correction (HP auto-mdix) Compliant USB 3.1 gen 1, USB 3.0, USB 2.0, USB 1.1 bus-power limit current protection: 900Ma Support operating system: Mac: Mac OS x 10.6+ (for Mac OS 10.6 or below, you need to install driver) Windows: Windows 7, Windows 8, Windows 8.1, Windows 10.