Isn’t it mind boggling when it comes to understanding the technical aspects of a hard drive? That’s why Western Digital has made it easy to purchase storage for the right purpose with colors, now that’s how simple it is when you do not actually need to be a pro to understand technical jargons like RPM and buffer cache on a hard drive. Of course, there is also a purpose you clicked on this post when visiting our website, not only we simply want you to learn the purpose and benefits of the WD Red and WD Purple hard drives, but you also stand a chance to walk away with a free WD Black 4TB hard drive for your high performance computing needs, we are not going to reveal how you can win here because all the details are in the YouTube video, so tune in and understand your purpose on choosing a hard drive from Western Digital.