A 2.5 GB disk drive in 1980 was the size of a fridge and cost US$40,000.
In 1980, IBM produced the first gigabyte-capacity disk drive, the 3380. This hard drive weighed over 500 pounds and had a 2.5GB capacity. It cost $40,000. Seagate also produced the first 5.25-inch hard drive in 1980. It had a capacity of 5MB and cost $1,500.