1956 – The first computer with a disk drive was created by IBM in 1956.  The 305 RAMAC computer consisted of a fifty 24″ discs that allowed it to have 4.4 MB of hard disk space.  The 305 RAMAC cost $35,000 annually.

1962:  IBM launches the 1301 “Advanced Disk File”, which has 25 disks of 24-inch size and a capacity of 28 MB.

1963 – Introducing the first removable hard drive!  Consisting of 6 platters of 14-inch size and a whopping capacity of 2.69 MB!

1971 – Being the first flexible read-only disc drive was launched with an extreme amount of space.  A whole 0.0816 MB on a single 8-inch disk.

1979 – IBM launches the first disk drive with thin film heads which has a capacity of 571 MB and seven 14-inch platters.

1980 – The first gigabyte hard disk drive from IBM was the size of a refrigerator.  Weighing in at 250 kg you’d expect this beast to cost $40,000.

1991 – IBM introduces the 0663 Corsair, the first disk drive with thin film magnetoresistive heads. It has eight 3.5-inch platters and stores 1GB.

2000 – Seagate introduces the first 15,000 RPM hard drive – Cheetah X15 ST318451 with 18,350 MB capacity and three 2.5-inch platters.

2006 – Seagate launch one of the largest hard drives to date.  The Barracuda 7200 containing 750GB of space.

2010 – This monster known as WD ShareSpace contains a whopping 8 TB of space!  Plenty for the whole family to enjoy.