SSD or Solid State Drivers are a storing technology and solution available in some form or other since the 90s.
Without getting too technical SSDs don't really have any components or parts that move, unlike HDDs which act pretty much as a very complex CD, with moving parts that have some direct consequences.
SSD was always very expensive and this is the reason why they weren't really popular for wide consumption by the general public. They were used in scientific research and military, but until recently, that was about it.
A few years ago the price of SSD started to drop and their memory size started to go up, therefore made them available and attractive for any personal computer.
I personally bought an SSD one year ago after realizing the SSD is far superior compared to an HDD. I dropped my old 750GB HDD and replace it with a new 240GB Samsung SSD. Best decision I ever made! It virtually gave new life to my old laptop, encouraging me not to change it anytime soon.
SSDs are way faster compared with HDDs. They have a lower response time which makes them perfect for installing the actual operation system on them. You want to your OS to be one an SSD because you don't want to wait around for an HDD to load everything. My laptop used to load in over 40 seconds. Now it's up and running in less than 10 seconds just because I installed Windows on my new SSD.
Has a lower latency
It doesn't make any noise while it runs. HDD and especially old HDD can make a lot of noise while running. You won't hear a bip coming out of SSDs and personally, that's fine with me.
You can combine an SSD with an HDD. Because SSD is more expensive and have generally lower space range compared with an HDD, you can have both, in fact, I recommend having both. You can install and run the OS from the SSD while everything like storing big media files you can do it on HDD, by having 2 separate partitions on the same OS installation.
- If you can't hold both SSD and HDD when you switch to an SSD, you can make your old HDD an external HDD by buying an HDD case with a USB connector. This way you can still use the old HDD and store big files you don't always need. I use my old HDD as an archive. An HDD case is also, very cheap.
SSDs tend to be very expensive compared with HDDs. A 1TB HDD costs around 40 bucks as for a 1TB SSD which costs 400 bucks, so an SSD can essentially be 10 times more expensive as an HDD.
The bigger the memory of the SSD the higher the cost will be. At the moment anything beyond 240GB SSD is gonna cost you a lot more than any HDD out there that haves 2-3 time more memory than that.
SSDs have limited lifespans, in fact, SSD tends to lose their performance over time and after heavy use will just stop working.
- SSDs are known to break overnight without any signs. Reports have shown that even new SSD can stop working altogether without any warning.