1.1.1b Storage devices

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Solid-state drive (SSD)

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A solid-state drive (SSD) is a storage device that uses integrated circuits to store data persistently, typically using flash memory. Examples include Solid-State Drive, USB Flash Drive, and SD Card.

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Advantages of solid-state storage

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- No spin-up time - Fast access to data - Silent - More robust, uses less energy, and has no moving parts

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Disadvantages of solid-state storage

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- High cost (compared to HDD) - Relatively low write speed - Limited read/write cycles

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Cost of solid-state storage

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Expensive, even the cost per MB. However, the price is beginning to come down.

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Capacity of solid-state storage

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You can purchase up to 4TB of data, not as much as you can with a HDD.

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Reliability of solid-state storage

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It has a limited number of read and write cycles, which means performance will deteriorate over time.

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Durability of solid-state storage

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Resistant to being dropped because it has no moving parts.

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Portability of solid-state storage

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Most devices are small, lightweight, and easy to carry around. Easy to transfer files.

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Speed of solid-state storage

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It doesn’t use a mechanical arm and relies on the processors embedded within.

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Most common example of magnetic storage

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A Hard Drive.