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The IBM 3380 Direct Entry Storage System (DASD) marked the top of 14-inch disks in 1981. Using 9 platters, it broke the 1 gigabyte barrier with a complete capability of 1,260 MB and in the end reached 2.52 GB when two HDAs have been paired. A 3-capacity model was provided in 1987.
The IBM 3380 was revolutionary not only for its storage capability but in addition for its impression on the information storage business. It represented a big leap in know-how, offering companies with unprecedented storage capabilities that have been important for the rising calls for of information processing within the Nineteen Eighties.
One HDA (as pictured) value roughly $50,000, weighed 64 kilos, and the set was saved within the largest cupboard ever used for disks, measuring one meter large, one meter deep, and two meters excessive. The IBM 3380 provided clients the flexibility to retailer “as much as 2.52 billion characters of data,” which was 4 instances the quantity earlier IBM storage units have been able to. This got here at a hefty value.
The IBM 3380 was accessible in several fashions with numerous function units relying on buyer necessities (e.g., management capabilities and stuck head know-how). Primarily based on these necessities, IBM 3380 storage units have been bought for $97,000 to $142,000 every, in Nineteen Eighties {dollars}. The excessive value of the IBM drive was justified by the substantial enhance in storage capability it offered. It performed a vital position in industries that required large-scale knowledge storage, reminiscent of banking, telecommunications, and scientific analysis.
By 1991, IBM had squeezed 1 GB into the three.5-inch, eight-platter 0663 Corsair HDD, and by 2018, you may buy a 16 TB 3.5-inch Seagate exhausting drive off the shelf, which equates to the cupboard space of greater than 10,000 IBM 3380 HDAs.
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