The Plugable USB 3.0 Dual HDMI Display Universal Laptop Docking Station (UD-3900Z) is a one-stop upgrade that multiplies the productivity, performance, and power of your Windows tablet, laptop, or desktop. The UD-3900Z docking station is based on technology from DisplayLink that provides the ability to connect up to two additional monitors and up to nine additional accessories to a supported Windows system, all through a single USB 3.0 cable. The docking station is also backward compatible with USB 2.0 systems (with slightly reduced performance), and provides the following features: 2x HDMI video output ports for connecting 2x external monitors. Support for resolutions up to 1920ÃÃÂÃÂ1080 @ 60Hz A Gigabit Ethernet (10/100/1000) network port that also supports 10/100 Ethernet 1x 3.5 mm combination audio jack for headphones, headsets or external speakers 2x front-mounted USB 3.0 ports for SuperSpeed USB devices (such as an external storage drive) 4x rear-mounted USB 2.0 ports for high-speed USB devices (such as keyboards, mice and printers)