Trust 4 Port USB2 Triangular Hub HU-4840, 480 Mbit/s, Black, USB, Windows 2000, XP, XP MCE, Vista, 130 x 55 x 175 mm, USB 2.0 Trust 4 Port USB2 Triangular Hub HU-4840. Data transfer rate: 480 Mbit/s, Product colour: Black. Minimum system requirements: USB, Compatible operating systems: Windows 2000, XP, XP MCE, Vista. Package dimensions (WxDxH): 130 x 55 x 175 mm. Interface: USB 2.0, Dimensions (WxDxH): 62 x 70 x 26 mm, Contents: 4 port USB hub with cable attached. User's guide.