hard drive capacity

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hard drive capacity

The amount of storage on a hard disk, measured in gigabytes and terabytes. Hard drive capacity is measured by the amount of data users need to store, which is often much greater than the space applications take up. For example, a single video can take four gigabytes of space.

We've Come a Long Way!
In 1957, the cost of one megabyte of storage on the first hard drive would be the equivalent of USD $200,000 in today's dollars. However, in 2017, one megabyte of hard drive storage costs less than 1/3000th of one cent! See hard disk, byte, solid state drive and space/time.


Storage at Costco
No longer found only in specialty stores, hard drives are everywhere. This 3TB external drive holds roughly 700 videos, 750,000 songs or a million images.
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DRAMeXchange assistant vice president Sean Yang indicates, "As SSD cost remains much higher than traditional hard drive cost, many of the ultrabooks currently promoted by PC vendors are equipped with hybrid hard drives.
Enterprise-grade integrity can also be achieved with as few as two replicas, saving over 30% in hard drive costs and data center space when compared to Swift object servers.
While storing a film on a hard drive costs a fraction of the price of producing and shipping analogue reels, the big expense in terms of digital delivery is not the cost of the copy of the film, but of converting theaters to digital projection.
An upgraded model with 3GS and a 64GB hard drive costs pounds 599.
Today, a gigabyte hard drive costs about $250 and offers 100 times the storage for one-tenth the cost.
Restrained growth is partly due to over capacity in the HDD market which drove down fixed hard drive costs substantially.