The first is a SATA SSD, which comes in a 2.5-inch form factor and connects to your motherboard with the same cables and ports as a SATA HDD. The second (and newer) is the M.2 SSD.

When it comes to storing data on your PC, you essentially have two options: a traditional Hard Disk Drive (HDD) or a Solid State Drive (SSD). Both store your operating system, apps, games, and ...