K7S8XE R3.0 ma chip SiS748 a FSB400
K7S8X R3.0 ma chip SiS746FX a FSB333 !!!

idem kupit Duron 1400MHz a Asrock K7S8XE R3.0 a dajake ram DDR 400MHz

btw: ten duron 1400 ma zamknuty multiplikator ci mam brat radsej XP1800? xcel by som dat fsb na 400MHz