By James Hall
SSD stands for Solid State Drive and is a device very similar to the hard drive. The SSD is a lot thiner that the hard drive and it has no moving parts so it cannot glitch as easily as the hard drive. all of those reasons mean that it is quite a lot more expensive.
this is the inside of a hard drive.
this is what an SSD looks like it is a lot thiner than the hard drive.
Mac Book Air
this computer used and SSD that is why it is so thin and it has not optical drive so you can only download things from the internet.