fˈʊli bˈʌfɚd mˈɛmɚɹi sˈɪstəmz plˈeɪs ɐ mˈɛmɚɹi bˈʌfɚ dɪvˈaɪs ˌɔn ˈɛvɹi mˈɛmɚɹi mˈɑːdʒuːl kˈɔːld ɐn ˌɛfbˈiːdˈɪm wɛn fˈʊli bˈʌfɚd ˌɑːɹɹˌeɪˈɛm ɪz jˈuːzd, wˌɪtʃ ʌnlˈaɪk tɹɐdˈɪʃənəl mˈɛmɚɹi kəntɹˈoʊlɚ dɪvˈaɪsᵻz, jˈuːs ɐ sˈɪɹiəl dˈeɪɾə lˈɪŋk tə ðə mˈɛmɚɹi kəntɹˈoʊlɚ ɪnstˈɛd ʌvðə pˈæɹəlˌɛl lˈɪŋk jˈuːzd ɪn pɹˈiːviəs ˌɑːɹɹˌeɪˈɛm dɪzˈaɪnz.
Fully buffered memory systems place a memory buffer device on every memory module (called an FB-DIMM when Fully Buffered RAM is used), which unlike traditional memory controller devices, use a serial data link to the memory controller instead of the parallel link used in previous RAM designs.