G.Skill F1-4800DSU2-1GBFF DDR600 @ 5-3-3-2.5 results.

[s7e9h3n]

hmm tried lower vdimm? read somewhere kakarato said not to use too high on the FF..

This is true....your OC will start diminishing if you use that high a Vdimm. Here's my FF's @ 2.73: