Then, it was only green. Today, Western Digital (WD) decided that they require black and blue as well. Black denotes maximum performance and blue appears to be typical ones
Blue
Desktop - Performance and reliability for everyday computing.
Mobile - Big capacity for portable computing.
Desktop Drives now come in the 3 different flavors (i.e. black, blue and green); Mobile Drives have 2 to choose from, black and blue.
These colors will likely give WD an edge over their competitors as consumers can easily relate to their products more easily.
p.s. Technically, black isn't a color oh well.
