<page_title> DDR2 SDRAM </page_title> <section_title> Chips and modules </section_title> <table> <cell> 200 <col_header> Bus </col_header> <col_header> Clock rate (MHz) </col_header> <row_header> DDR2-400 </row_header> <row_header> B </row_header> </cell> <cell> 400 <col_header> Bus </col_header> <col_header> Transfer rate (MT/s) </col_header> <row_header> DDR2-400 </row_header> <row_header> B </row_header> </cell> </table>
The highest-rated DDR2 SDRAM modules was operated at 200 MHz (400 MT/s).