AppendixStorage: RAM andDrive Solutions
There are two different categories of storage on your Macintosh: volatile and nonvolatile. Volatile refers to data storage that is lost when your Macintosh is powered down. Nonvolatile storage is saved until you reboot the computer. RAM, or random access memory, is volatile storage. Physical hard drives of whatever flavor are nonvolatile storage. Each has its place and function.
RAM is the super-fast storage where your system software, applications, and opened files load up and operate. It is the fastest storage device in your system and is where the computer does most of its work. RAM is incredibly fast, which is why the active parts of the OSX System load up into ...