Lenovo ThinkPad USB 3.0 Docking Station (0A33970)
A universal dual-video docking solution with five USB 3.0 ports that  is designed for notebooks without mechanical docking connectors.The  ThinkPad USB 3.0 Dock (0A33970 - US) provides a quick and easy  connection to all the workspace peripherals you use every day. Simply  plug in a single USB 3.0 cable into your Lenovo PC for instant access to  up to two external monitors, Gigabit Ethernet, headphones/speakers, USB  printers and scanners, keyboard, mouse, and up to 5 Gbit/s access to  external storage (over 10 times faster than USB 2.0).Dock requires included AC power to operate.Supported SystemsWindows XP (32-bit) Windows Vista (32-bit, 64-bit) Windows 7 (32-bit, 64-bit) Windows 8 (32-bit, 64-bit) Windows 8.1 (64-bit)Connectivity5x USB 3.0 – 1 provides always-on mobile device charging 1x DVI-D 1x DVI-I 1x Gigabit Ethernet 1x Stereo/Mic Combo PortThinkPad USB 3.0 DockApproximate  height:front side 135 mm(5.32 in), rear side 126 mm (4.96 in)Approximate width:front side 38 mm(1.5 in), rear side 48 mm (1.89 in)Approximate depth:91 mm (3.59 in)Approximate weight:299 g (0.66 lb)USB cable length:100cm (39.4 inch)Wall to AC charger cable length:91cm (36 inch)AC charger to Dock cable length:180cm (70.8 inch)