1.3.2 Solid State Storage

Question 1

How Solid State Storage Works

Answer 1

Reliability
Accessing Data
Storing in bit

Question 2

Reliability of Solid State Storage

Answer 2

SSDs are robust. They are not easily damaged by shocks because they don’t have any moving parts.

SSDs have a limited number of read/write cycles. After a certain number of re-writes they will stop working.

Question 3

Accessing data of Solid State Storage

Answer 3

Data can be accessed randomly. This means that any piece of data can be accessed in a constant amount of time.

This is achievable because there are no moving parts.

Question 4

Storing a bit of Solid State Storage

Answer 4

Made of flash memory.

Flash memory stores the value of each bit in a semi-conductor chip.

Question 5

Properties of Solid State Media

Answer 5

High speed
High cost
Good capacity
Good reliability

Question 6

High speed of Solid State Media

Answer 6

Have very fast read/write times.

Some solid state media has slower access time like USB sticks.

Question 7

High cost of Solid State Media

Answer 7

Higher cost-per-GB than magnetic media.

SSDs do not last as long as HDDs, so the cost can often seem restrictive.

Some people choose to pay more for the increase in performance.

Question 8

Good capacity of Solid State Media

Answer 8

Good capacity, but not on the scale of optical or magnetic media.

Question 9

Reliability of Solid State Media

Answer 9

Very reliable and robust.

It rarely fails (until read/write limit is hit).

It is not easily damaged by shocks.

Once the read/write cycles are used up, then the drive will fail.