746
CPU supported AMD Athlon XP FSB 266 MHz.
DDR333/DDR266 support Support Maximum Memory Bandwidth 2.7G/B.

746FX
CPU supported AMD Athlon XP FSB 333 MHz.
DDR400 support Support Maximum Memory Bandwidth 3.2G/B.

takze na pretaktovanym systemu dostanes z cistym 746 asi to sami jako z FX. otazka je jaky moznosti na pretaktovany FX...