Kensington Black K33983AM SD4000 Universal USB Docking Station Compatibility: Windows 7, Windows 8, Windows 8.1 Ports Spec: 1 x RJ-45 Ethernet (LAN) Female, Host Interface: USB 3.0, Host upstream link: USB (B Type) Female , HUB downstream link: USB (A Type) Female Dimension: 7.71 x 3.34 x 1.08 Weight: 1.40 lb. |