Sentey 3 Ports Usb 3.0 Black Hub + Gigalan 10/100/1000 Port Ls-6111 3 Ports USB 3.0 Bus-powered Hub with Rj45 10/100/1000 Gigabit Ethernet Converter LAN Wired Network Adapter for Portable or Desktop - Imac, Macbook Air, Macbook Pro, Macbook Pro , Macbook Air and Mac Mini or Any Pc or Notebooks Ultrabooks Windows 8 Tablets , Android Tablet with Usb or Microsoft Surface or Any Other Brand - Add Additional 2 USB 3.0 Port Without Sacrifice Speed - Mini Hub Bundle with Free Transport or Protection Pouch With 3 SuperSpeed USB 3.0 ports  the transfer rate is up to 5 Gbps  Backwards compatible with USB 2.0 Add a fast wired network interface RJ45 to a wireless-only system  replace a bad port, for higher performance, or for peer-peer use  Gigabit Ethernet up to 1000 Mb/s (Half/Full Duplex) USB 3.0 male A to RJ45 female adapter supporting 10/100/1000 Ethernet at USB 3.0 speeds  faster than most wireless connections Supports full duplex operation with IEEE 802.3x flow control  Half duplex operation with back-pressure flow control Expands your PC with three USB3.0 ports and one RJ45 Gigabit ethernet port  especially as flexible solution for Ultrabooks, notebooks and tablets featuring USB interfaces  The device ensures a neat and rational arrangement of all connections, plugs and cables do not interfere with each other  comfortable usage