The StarTech.com TB2DOCK4DHC is a compact and convenient solution for adding more connectivity options to MacBook Pro or PC laptops that are equipped with a Thunderbolt 2 port. Leave up to 11 peripherals hooked up to the Thunderbolt dock and easily connect your laptop to all of them with a Thunderbolt 2 cable (included). Connect two displays to the dual monitor docking station with 4K Ultra HD supported on one. This laptop docking station features hard to find ports such as eSATA to add high-speed external storage devices and a 5.1 SPDIF optical audio output and line input for high-end audio. There are four USB 3.0 Type-A ports, including a Fast-Charge one to quickly charge mobile devices. Thunderbolt 2 technology provides a throughput of 20Gbps to maximize productivity. It's a great choice for creative professionals such as graphic designers, video producers and engineers who work with graphically intense applications.