2 X 512Mb Team Xtreem PC6400 with D9GMH microns, one died at 2.75V, the other one alive even after 2.9V benching...
Seems to me that D9GKX take the higher voltage with CL4 overclock better than D9GMH do the same thing...With CL5 o/c D9GMH works better for me but for CL4 D9GKX gets the job done..