We have reviewed and validated DDR400 DRAM devices," said Stephen Chen, sales VP of Silicon Integrated Systems Corp. "The parts met all evaluation criteria and we look forward to integrating DDR400 DRAM technology into our SiS648FX and SiS746FX chipset to reach even higher levels of performance. As always, we are working closely with DRAM vendors to enable our platforms. They provide tremendous design and enabling resources.