Internal Hard Drive

Example: "All of his programs and files are stored on the computer's internal hard drive."

As the name implies, an internal hard drive is a hard drive located inside a computer. Nearly all computers come with an internal hard drive, which serves as the computer's primary storage device. It typically contains the operating system, software applications, and other files.

While most computers only have one internal hard drive, some system units and servers have room for multiple hard drives. Extra internal hard drives can be added to these systems to provide additional storage inside the computer. If a computer only has one internal hard drive bay (such as a laptop), extra storage can be added using an external hard drive.

Updated: May 11, 2010

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