Quote: Originally Posted by datter
Well, I just tried it out. I now have a mix of 4GB OCZ Reaper 8500 and G.Skill Pi Black 6400 running at 857mhz, 4-3-3-5-2T and all seems well. Volts are slightly high for the G.skill but I haven't experimented with getting it down yet. I'm surprised this even worked.
be careful with the GSKILL, it dont fair well with higher voltages...
ive been through 2 4gb sets of HZ 800mhz sticks, they just crap out without warning.
as others have said, you wont see a boost in performance over 3gb IMO.