Dimm isn't the name of a Bond villain ... We regular folk are used to standard "unregistered" RAM sticks forming some of the best RAM for gaming, but servers often use "registered" DIMMs, or ...
The higher the capacity, the more data can be accessed instantly by the CPU. Each RAM stick is called a DIMM, or Dual In-line Memory Module, and UDIMMs, or Un-buffered Dual In-line Memory Modules ...