How to build your own personal computer - Kitchen Table Computers - Tablet Version
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Pictures of Selected RAM Form Factors


SIMM moduleSIMM (Single-Inline Memory Module). Used mainly in older computers; now considered obsolete. Its contacts were along only one face of the edge, hence the word "single."




DIMM ModuleDIMM (Dual-Inline Memory Module). The most common RAM form factor in use today.

SDRAM and DDR-SDRAM are examples of two types of RAM using the DIMM form factor.



SO-DIMM Module

SO-DIMM (Small-Outline Dual-Inline Memory Module). Used primarily in laptop computers and other compact computing devices.



RAMBUS ModuleRIMM (Rambus Inline Memory Module). Rambus is high-end RAM for motherboards using Intel's i820/i840 chipsets.

RDRAM is very fast -- and very expensive.





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