The 120GB SATA3 SSD hard drives are perfect to combine with an internal hard disk of greater capacity, since it will allow us to install the operating system giving us a much higher speed than if we had the operating system installed on a normal hard disk.
Thanks to the speed of data transfer, we can execute almost instantly any program or application installed on this SSD hard drive.
Although it has a very limited storage capacity of only 120GB, it can be combined with other hard drives of much more capability, being compatible with most computers in the world.
There is a huge variety of brands and models for this type of hard drives, Samsung, Kingston, WD Blue, .... And both external USB and internal. Therefore, and given the differences between different manufacturers, we recommend that you read all the information and technical specifications carefully in each of the stores.