Hard Drives Hit 75 GB
IBM on Wednesday unveiled two disk drives that the world's largest computer maker said set records for data storage, including one that can hold information from a stack of documents more than two miles high.
IBM said in a statement its 7,200 rpm Deskstar 75GXP drive for desktop computers held 75 gigabytes of data, more than 10 times the capacity of drives found in the average home personal computer.
A single one of the new drives can now store the equivalent of up to 159 music compact discs or "the data contained in a stack of documents 20 times taller than the Washington Monument," the statement said. The monument is just over 555 feet tall. Twenty times that height is 11,100 feet, or 2.1 miles.
IBM also unveiled the Deskstar 40GV, which runs at 5,400 rpm, holds 40 gigabytes of data, and set a new areal density record of 14.3 billion bits per square inch.
Greater areal density allows more information to be stored in less space, producing a drive that is more reliable, quieter, and cheaper to make.
"E-business is fueling unprecedented demand for increased storage capacity on personal computers," said Shiv Shivaji, IBM's marketing director for desktop hard drives.
The products are the first IBM desktop drives to use glass disk platters instead of aluminum.
The smoother and more rigid glass disks allow the recording head to read smaller bits of information that are packed more closely together. Glass disks are also more stable at higher speeds, IBM said.
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