AC Adapter: Yes Material: Aluminum Dimensions: 7.40" x 4.30" x 1.20" Internal Interface: SATA I/II Specifications: Transfer Rate: USB2.0 up to 480Mb/s Power Adapter: AC Input 100-240V; DC Output 12V/5V Power Adapter System Required Windows: 98/SE/ME/2000/XP/Vista, Mac OS 9.0 or above Maximum Capacity (per Bay): Up to 1.5TB Features: Aluminum alloy case provides maximum heat dissipation and thermal efficiency Hot Plug and Play Smart LED status indicatory light Supports 3.5" SATA I/II hard drives up to 1.5 TB Case and mounting mechanism provides best protection for your hard drive User Friendly portable, convenient, easy installation and set up 5V/12V AC/DC power adapter On/Off power switch Parts: 1 year limited