12 Ports of phenomenal flexibility, all united to your Mac with just one lightning fast Thunderbolt 2 cable NOT Included . OWC Thunderbolt 2 Dock is the new foundation for your perfect workspace. Awesome performance meets incredible connectivity, the OWC Thunderbolt 2 Dock offers the ultimate in convenience and flexibility to streamline any workflow. With just one Thunderbolt cable NOT Included , connect up to five USB 3.0 devices, Gigabit Ethernet, a FireWire device, HDMI, audio in, and audio out. Capable of an astounding 20 Gbps of throughput, the OWC Thunderbolt 2 Dock utilizes this phenomenal bandwidth to eliminate data bottlenecks, and effortlessly supports direct connection of up to ten devices, as well as daisy chaining five additional Thunderbolt devices. Configure the ultimate display setup to meet the needs of your workflow. Add a dazzling ultra HD 4K display, two high definition displays, or one 4K display and one high definition display. Even connect a VGA, DVI, or DisplayPort monitor utilizing the Thunderbolt 2 Dock 39;s built in HDMI and Thunderbolt ports. The Thunderbolt 2 Dock 39;s side mounted, high powered USB 3.0 ports provide up to 1.5 amps of power and are perfect for charging iPhone, iPad, tablets, smartphones, and other USB charged devices, as well as powering bus powered hard drives, SSDs, or optical drives. The OWC Thunderbolt 2 Dock is the unmatched expansion platform for your Thunderbolt equipped Mac, with exceptional connectivity, and dependable performance. Whether adding USB 3.0 to an older Mac, Gigabit Ethernet to a newer MacBook Pro, or ensuring backwards compatibility with your existing FireWire 800 peripherals, the Thunderbolt 2 Dock keeps you connected. Dual monitor support requires the use of at least one Thunderbolt display. If you connect a display to the HDMI port, then the only display that will work through the Thunderbolt port is a Thunderbolt display.