Sonnet Technologies TWIN10G-TB2 Dual Port 10 Gigabit Ethernet Thunderbolt 2 Adapter, Twin, 10 Gram Adds 10GbE Connectivity - Simple way to add dual RJ45 10 Gigabit Ethernet ports to your Thunderbolt 2- or Thunderbolt-enabled computer Thunderbolt 2 PortsMaximum performance with computers with 20Gbps Thunderbolt 2 technology, works with host computers and other devices equipped with 10Gbps Thunderbolt technology. Daisy chain up to six devices Easy SetupSimple driver installation, configured through OS X Network control panel or Windows Device Manager Supports Wake-on-LANAdapter can remotely wake computer Mac Pro MateSupports mounting in Sonnets xMac Pro Server and RackMac Pro rackmount solutions for the new Mac Pro