Memory Modules Identification
These are examples of the most common types of memory modules.

 

240-pin DIMM
240-pin DIMMs are used to provide DDR2  memory for desktop computers.
 
184-pin RIMM
184-pin RIMMs are commonly found in Pentium 4 systems.
It is also known as RDRAM or RAMBUS.
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184-pin DIMM
184-pin DIMMs are used to provide DDR memory for desktop computers.
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168-pin DIMM
168-pin DIMMs are commonly found in Pentium and Athlon systems.
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144-pin MICRODIMM
144-pin MicroDIMMs are commonly found in sub-notebook computers.
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100-pin DIMM
100-pin DIMMs are commonly found in printers.
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144-pin SODIMM
144-pin SODIMMs are commonly found in laptop computers.
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72-pin SODIMM
72-pin SODIMMs are commonly found in laptop computers.
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72-pin SIMM
72-pin SIMMs are commonly found in older desktop computers,
such as the 486 and early Pentium models.
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30-pin SIMM
30-pin SIMMs are commonly found in older desktop computers,
such as the 386 and 486 models. All 30-pin SIMMs
use FPM memory technology.
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