AC Adapter: Yes Material: Aluminum Internal Interface: SATA I/II Fan: No Specifications: HDD Capacity: Support up to 2TB Data Transfer Rate: Supports Full-speed(12Mbps)/ High-speed(480Mbps)/ Super-speed(5Gbps) Operation System support: Windows 2000 /XP/Vista/7, Linux 2.4.1.0 or above and Mac OS 8.6 or higher AC Adapter Input:100V-240V~50/60Hz, Output:12V/2A Maximum Capacity (per Bay): Up to 2TB Features: High quality aluminum housing is easy for heat disspation USB 3.0 transfer rates up to 5.0 Gbps Plug & play Hot-swappable LED (Power/Data Access) CE/FCC, RoHS Approved Package Contents: 3.5" External Enclosure USB3.0 Cable AC Power Adapter Screw Driver Screws Stand User Manual