Buffers are devices used on Stargates when they are in use. Buffers are used as a type of memory bank that keeps the information of whoever or whatever comes through a Stargate and then reassembles it on another. Buffers would automatically get rid of or erase all the information on it in order to prevent the information from disrupting the matter transission of an incoming Stargate. (SG1: "48 Hours")

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