500 GB SATA Desktop Computer Hard Disk Drive
Hard drives serve as the storage of the computer, this is where all the files one uses are kept or it can be an external hard drive that can be connected using a USB. The external hard drive adds extra space in case one needs it or works as back-up storage. There are two basic types of hard drives. There are many storage sizes including 500GB versions of a hard drive. The price of an internal hard drive depends on the exact type.