Concering your modification to the article Hard Disk Pasting a link which has no relation to the article in the first place which provides little information and for marketing benefit is a big no Did you try searching for external hard drive  Please do not add commercial links or links to your own private websites to Wikipedia  Wikipedia is not a vehicle for advertising or a mere collection of external links  You are however encouraged to add content instead of links to the encyclopedia as we drive for print or DVD publication see the welcome page to learn more  Thanks