Solid State Drives are perhaps the next step in data storage thought to replace the existing technology based in mechanical and spinning drives. With conventional hard drives you could expect almost a complete loss of data if the arm that holds the reading heads goes wrong. There are who can read data in those damaged disks although this can be costly.
In this aspect SSD technology cannot offer in paper a better scenario because if the unit goes wrong, the data recovery process could be even more difficult involving desoldering components or other operations at a circuit board level.
Sadly the industry continues relaying on capacitors without proposing another solution to avoid the incredible quantity of failing units due to these parts. Having them, it's also assumed that SSD or HDD options have a ticking clock in terms of service life.
But in general solid state drives require less energy, are faster and quieter, thus having even only one of these advantages they are interesting to replace mechanical drives. The weight is also lower and some smaller.
In the present time their main problem is the comparison talking about price per gigabyte, but it's also true that several models with relatively low capacity compare with high capacity hard disk drives. Mounting computers almost everyone is accustomed to expect the price of each individual component, and this time you could have the SSD option but with less capacity for the same.
We cannot say that only certain applications demand high speed data transfers when the operating system continuously does it, or the user copying or moving data, in backups or whatever task. For sure, high performance applications will experience better times, singularly in RAID configurations.
Data transfer speed makes the user experience better and saves precious time.
Some disadvantages were already mentioned, although before buying a SSD the user should also check the expected number of write / read operations provided by the manufacturer. Some also specify the expected service life in hours. These drives are affected by surges, electromagnetic interference or magnetic fields as well. Static electricity in theory is another risk for the data, although the units should be shielded and giving no problems with a normal installation and usage.