There are five major advantages of SSDs.

First, SSDs are very fast, especially when compared to HDDs.
The difference comes from how the drives work.
Whereas HDDs read and write data with mechanical movements of its parts such as the motor and the magnetic disk, SSDs use the electric signals of semiconductors.

Second, SSDs dissipate less heat, consume less power, make less noise, and weigh less.
Using electric signals rather than moving parts, SSDs produce neither much heat nor noise.
They only consume 20% as much power as HDDs and weigh less.

Third, SSDs are shock-resistant.
Unlike an HDD that contains mechanically moving parts, an SSD is made up of memory chips and thus more resistant to shocks.

Fourth, SSDs do not need to be defragmented.
Instead of finding data mechanically as HDDs do, the data stored on the memory chip of an SSD is read using electric signals, which means there is no need for defragmentation.

Fifth, SSDs are heat-resistant.

SSDs can run within the range of 0 to 77 ℃, which means they can endure higher temperatures than HDDs can.