Can i run 128GB RAM @ 3600MHZ CL18 on my Dark Hero MB?

[Fadi Obaji]

Hello,

I have the following:
Motherboard: Asus ROG crosshair VIII DARK HERO
CPU: Ryzen 5950x

Now i want to get the RAM and i need 128GB, i've been researching this kit: F4-3600C18Q-128GTZN

Now i checked the QVL of the Dark Hero motherboard, the RAM kit doesn't seem to belong there. I don't understand the QVL actually, if a RAM kit doesn't belong to the mobo QVL, is it 100% not going to work at the advertised XMP values?

Did anyone try to overclock 128GB ram on dark hero?

Can i make this kit run at 3600MHZ CL18?

 

[Fadi Obaji]

4 dual rank DIMMS on Zen 3 isn't easy to run at high speed. It's possible but may need some tweaking.

Hey, thanks for your reply!

What do you mean by tweaking?

And if they can't run at 3600MHZ CL18, they'll run at the DDR4 default speed?!

 

[Fadi Obaji]

Im not sure how strong the Dark Hero is for 4xDIMMs, it seems some X570 boards are better than others. It also depends on your individual CPUs memory controller.

By tweaking I mean you may have to tinker with SOC volts and RAM subtimings to get it to run at those speeds.

Worst case scenario you may to dial back from 3800mhz a bit.

So they might not work at 3600MHZ CL18 but they might work at let's say 3400MHZ CL16?