If you have two different hard drives in your computer and one of them is empty, you can skip this part. (howtogeek.com)
Instead of having your eLearning content spread out over different hard drives and devices, you can store all of your eLearning materials in one location. (elearningindustry.com)
There are several different hard drive options, each of which has pro's and con's attributed to them. (thatvideogameblog.com)