While often overlooked, the hard drive plays an important role in the system's overall capacity and performance which can be vital in ensuring a smooth-running, glitch-free experience. If data bogs down at the hard drive, you won't have a chance in Zanzibar to experience the full power of your system, no matter how much processing power you're packing.

Hard drives can differ in capacity and performance. Over the last several years, advancements in technology have pushed the envelope in these two these areas and an understanding of each will help you chose the best hard drive for your needs.