AKiTiO Thunder2 Dock Two Thunderbolt 2 ports for lightning fast speeds up to 20Gb/s Two eSATA host ports (up to 6Gb/s) One 7 watt bus-powered FireWire 800 host port Two bus-powered USB 3.0 host ports (supports UASP) Supports 4K monitors and displays Two Thunderbolt 2 ports for lightning fast speeds up to 20Gb/s Daisy chain up to 6 Thunderbolt devices Two eSATA host ports (up to 6Gb/s) One 7 watt bus-powered FireWire 800 host port Two bus-powered USB 3.0 host ports (supports UASP) Durable and rugged aluminum casing Supports 4K monitors and displays