what is Channel - The memory databus associated with a group memory modules ranks determined by the number of chip selects on the memory controller (also see MCH). Single channel has a memory databus width equal to the memory module databus. Dual channel has a databus width equal to twice the width of the memory module databus width.

RAMpedia is a DRAM memory encyclopedia and reference tool
to help computer hardware board designers with DRAM memory subsystems.
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