Seagate Brings World's First One Terabit Per Square Inch Hard Drive

It may be that hard drive prices are unusually higher for now but people still need those gigabytes and terabytes of storage to store their virtual belongings. The quest for packing in more storage in a single drive has made Seagate the world's first hard drive manufacturer to squeeze 1 Terabit of storage space in a square inch of platter. The new technology used here is the Heat Assisted Magnetic Recording (Heat Assisted Magnetic Recording). Seagate has been researching on the same since 2009 and now has been successful in implementing the technology in their drives.
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The HAMR technology uses a laser in the drive head which intensifies the magnetic field making it possible to store more bits in a confined space. The first generation of hard drives used Longitudinal recording which was replaced by the current technology of Perpendicular Magnetic Recording (Perpendicular Recording) in 2006. The traditional method of increasing storage space is shrinking the platter which squeezes the data tracks increasing the areal density but by using the new HAMR technology, Seagate has succeeded in cramping 1 Terabit of data in a square inch. Which means this technology has helped Seagate in achieving 55 percent more areal density than the current limit of 620GB per square inch.

Five years down the line we can expect 60TB of storage in a 3.5-inch hard drive and 20TB in a 2.5-inch hard drive with the use of HAMR. Though first generation of these hard drives would only be able to double the current storage capacities i.e. 6TB in 3.5-inch drive and 2TB in a 2.5-inch drive.