Micro typically means a smaller form factor used for laptops. The amount of pins it has is 214.
A DIMM or dual in-line memory module comprises a series of dynamic random-access memory integrated circuits. These modules are mounted on a printed circuit board and designed for use in personal computers, workstations and servers. DIMMs began to replace SIMMs (single in-line memory modules) as the predominant type of memory module as Intel P5-based Pentium processors began to gain market share.
While the contacts on SIMMs on both sides are redundant, DIMMs have separate electrical contacts …