Try some beta BIOS for your board with better memory stability like Exchange your kit with a 48GB 7200-8000MT/s kit and try to stabilize around 7600MT/s.ĥ. Use only 2 DIMM slots, with 32GB memory installed and try to stabilize around 7200-7600MT/s.Ĥ. Reduce your expectations and try to stabilize near 4800-5200MT/s with some changes to DRAM VDD/VDDQ voltages.ģ. You can try fiddling with CPU SA, CPU VDD2, CPU VDDQ, DRAM VDD/VDDQ voltages, if you can spare a couple of weeks trying to stabilize it around 6000-6400MT/s.Ģ. You are using all 4 slots on the board which increases stress on IMC and reduces you max achievable stable freq.ġ. You have 4 DIMM board (which have hard time stabilizing beyond 7200+).Ģ. In your case, it will be almost impossible to go beyond 6800MT/s even with manual tuning.ġ. It is already difficult to stabilize 7200MT/s+ on a 4 DIMM motherboard with only 2 DIMMs occupied. That too depends on IMC quality or silicon lottery of your 13900K along with various other factors like CPU/RAM temps, CPU mounting pressure, etc. So you are limited to about 6400-6800MT/s in best case scenario. You are using all 4 slots (2 DIMMs Per Channel or 2DPC) with 16GB (single rank or 1R) per slot, which makes it 2DPC 1R config. MSI MEG Z790 ACE supports following transfer rates. PSU: Cooler Master V1300 Platinum 30th Anniversary
I'm stuck at 4000MHZ, it's a shame not to be able to take full advantage of it given the price I paid. Or BIOS update problem? (I have the latest version though) Or because I have 4 sticks of 16GB RAM? (Total 64gb) Is it a compatibility issue between the MSI MEG Z790 ACE motherboard and the Gskill D5 7800 32GB C36 TridentZ Z5 RGB K2 RAM sticks? So I would like to know where the problem comes from? Unfortunately once I save and I turn on the pc it gives me an error message with a black background saying "Memory Overclock Fail!" Once in the bios of my CM Msi I go to pre-save profile 1 which is for overclocking and this activates the XPM of the RAM sticks that I have x4 "RAM Gskill D5 7800 32GB C36 TridentZ Z5 RGB K2" in order to obtain the 7800 MHZ proposed by Gskill.
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