Specification

     Mfr Part Number: WDG1U2500N
     Features:
           Easy to set up, easy to use: This drive is all about simplicity. Plug it into your computers USB 2.0 port and start saving
           Intelligent drive management features: The My Book drive turns itself on and off with your computer
           Smart design: The elegant case, iconic of a book, takes up less space on your desk, stacks horizontally, and allows two or more drives to stand neatly together like volumes on a shelf
           High quality hard drive: Inside the case is an exceptionally fast, ultra quiet, cool-running hard drive from Western Digital
     Capacity: 250 GB
     Rotational Speed: 7,200 rpm
     Cache: 8 MB
     Interface: USB 2.0
     Max. External Transfer Rate: 480 Mbits/s
     Seek Time:
           Read: 8.9 ms
           Track-To-Track: 2.0 ms
     Dimension (WxLxH): 2.25 x 5.550 x 6.710 inch / 57.2 x 141 x 170.5 mm
     Weight: 2.90 lbs / 1.32 kg