Interface Type:USB 3.0Color: SilverSize: 15.1 x 5.3 x 2.5cmPackage Weight: 4.7 oz/134gData transfer rate: 1.5 Mbps / 12Mbps / 480Mbps， can reach up to 5GbpsCompatible Modes:Windows XP / Vista / 7/ 8， Mac OS 9.1 and above， or Linux.Mac OS X Lion 10.7.4 users should upgrade to Mountain Lion 10.8.2 or later to avoid unstable connections.