500GB

500GB determines the capacity of a hard disk. A hard disk is a permanent storage device in a computer, where the user secures his/her data via computers. Hard drive or disk stores data in a digitally encoded format on rotating pattern that has magnetic surface. Today, hard disk is being used in various other products such as digital video recorders, digital audio players, personal digital assistants, digital cameras and video game consoles. A typical hard drive has three prime interfaces PATA (Parallel ATA), SATA (Serial ATA) and SCSI (Small Computer System Interface).

Capacity of a hard drive is a product of number of cylinders with number of heads, the number of sectors and bytes/sector. Most manufacturers specify hard disk capacity using abbreviation of Megabytes (MB), Gigabytes (GB) and Terabytes (TB). A 500GB hard disk can be right now seen only installed in computers or as an external hard drive. This monstrous space enables the user to approximately store 350 movies in DVD format. It gives the user sufficient space to store heavy animation programs or applications. It allows the user to enjoy and store games that require a higher memory on computer without worrying about space for other applications. Many manufactures offers 500GB hard disk in the market.