Virtual-Hideout posted a review on the G.Skill 2x1GB F2-6400CL4D-2GBHK DDR2 Memory Kit

For those who don't feel the need to overclock, as well as for those who are looking for RAM that is highly overclockable, these tests are vital. In this case, the H sort of lives up to its Hi-Performance title, as I was able to get 1012MHz at 2.3v and this was stable while running Prime95 x2

G.Skill 2x1GB F2-6400CL4D-2GBHK DDR2 Memory Kit Review