Image Courtesy Western Digital

For those looking at purchase a desktop computer, one of the key numbers that you will be presented with is the hard drive. This is the primary method of data storage for the system and it has exploded over the past couple of years. How much space does one need? Does the type of interface really matter? Why does the system have two hard drives but only have the storage space of a single drive? These are some of the questions that you will have to answer when buying a desktop PC.

• Understanding Desktop Hard Drives