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Frequently Asked Questions

What is the difference between 4 layer module boards and 6 layer module boards?

All memory modules today are built by soldering individual memory chips to a circuit board (Module Board). The module board is made up of layers stacked together like pancakes. The job of the module board is to act as a highway system for the memory information from the motherboard to these memory chips. The 6 Layer boards have isolated 1 layer for ground traces, 1 layer for power traces and 1 layer for the memory information on each side of the memory module. A 4-layer module board places the ground traces and power traces on the same layer. This means that the traces have to be routed in a more indirect way and the traces are placed electrically much closer. The result is more bleeding of signal from the ground traces to power traces sometimes called module noise. The more expensive boards with 6 layers do a much better job of isolating the signals so the memory information is more accurate. AMD recommends 6 layer module boards for all Athlon & Duron based systems.

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