Seagate is the world’s largest hard drive manufacturer.

For some time ago they just passed another milestone, two billion sold hard drives.

The company was founded in 1979 and their first hard disk was ready 1980, 5mb was the size. 29 years  later they reached their first billion sold hard drives.

Four years later, they have now doubled that number to 2 billion sold harddrives.
Same time they release thier first four terabyte model for desktop computers. The new hard drive is nearly 800,000 times greater than the first stationary unit Seagate from 1979th.

According to Seagate, the new hard drive (four terabytes) using four d isks, one terabyte per disc, with a rotation-speed of 7200 rpm, the diskhave a transfer rate of 160 megabytes per second.