I got a 3200MHz RAM Kit. Put in in. Set XMP ran Memtest and let it go for an hour.
Then changed speed to 3600 and let memtest run for a few hours and it was fine. Also tried 3200 with cl14 and it works so left it at cl14.
Tried the DRAM calculator but was just too confusing and too much time consuming. I mean even compared to the stock 3200, the 3600 or 3200CL14 hardly improves anything et all.
Rumors going round he is using mostly g.skill for his testing, so teamgroup owners getting their numbers mixed up, well at least it is for me, but it is very good at giving you aprox idea of what you can get timings and voltages wise.