TRANSCEND USB3.0 4-Port HUB 80004547 TS-HUB2K Product Description: Transcend HUB2 - hub - 4 ports Device Type: Hub - 4 ports Subtype: USB Ports: 4 x SuperSpeed USB 3.0 Features: USB powered Dimensions (WxDxH): 7.38 cm x 3.72 cm x 1.04 cm Weight: 29 g System Requirements: Apple MacOS X 10.2.8 or later, Microsoft Windows Vista, Microsoft Windows 7, Microsoft Windows XP, Windows 8, Windows 8.1, Linux Kernel 2.6.3 or later Manufacturer Warranty: 2-year warranty