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Definition: internal hard drive


The primary internal storage in personal computers is a hard drive, although solid state drives (SSDs) are increasingly used. Using magnetic disk technology, an internal hard drive resides inside the computer case. Almost all internal hard drives use the SATA interface. See SATA, solid state drive, internal drive and magnetic disk.




Three-Trillion Bytes of Storage
This 3TB internal hard drive was on sale at Micro Center in the summer of 2014.