Corsair TWINX1024-4400C25PT
 

"We were never able to hit 2-2-2-5 timings with the older kit at DDR400,
but the latest TWINX-4400C25 had no problems with those timings. We were
also able to hit as high as 278FSB at 2.5-4-4-8, which is also something
we weren't able to do before."

http://www.viperlair.com/reviews/mem...DR1/pc4400c25/