Besides, each of these competitors has a wide-ranging of computing systems that designed for several types of users. Dell is one of the company that threaten Apple. Dell promotes its Inspiron line for laptop users and the Dimension line of computers for desktop users. The unique features of Dimension and Inspiron lines and the ability of providing varying selections for consumers with diverse needs from Dell immediately appear that Apple's has a wide range of alternatives in the market. Although there is a various alternative products in the market, but Apple products are differentiated from others. Especially the operating system, while Dell, HP, and Gateway each use the Microsoft Windows Operating System and an Intel or AMD based CPU, Apple’s decided to come out with their own in-house OSX operating System and an IBM derived Power Processor CPU. The fourth theory that involved in the Porter’s force would be bargaining power of buyers. The differentiating product that focuses on Apple is both the personal computer market and the portable music product. Both Macintosh line of products and the iPod have a signature style and innovative features that set them apart from their competitors. Apple achieve consumer loyalty by providing high quality products and because of this, the consumers of Apple are less price sensitive when they purchases iPod and Macintosh, as it is very hard to search a product