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Max official supported frequency of RAM for Ryzen is 2666MHz. And such frequency is possible if only two single sided(single rank) modules are installed.
For dual sided modules situation is even worse (see picture below)
Any frequency faster than 2666MHz is not guaranteed even for two modules.I think that fast 16GB modules for Ryzen is not the best choice.
I have 2 modules and for 16GB modules the max speed is NOT 2666mhz,
but 2400mhz. Prove me wrong.
Your modules are two sided (dual rank). And yes. For dual rank modules max supported frequency is 2400 MHz.You can try 1.65V for RAM, but i am not sure that it will help.
Probably??? ALL 16GB DDR4 dimm modules on this planet are dual rank.
So why was that not taken into consideration in the IMC design????? I
mean Intel found a way to make it work. I expect an intelligent answer.
I am not going to fry my chips or degrade them trying to get them work
at a proper frequency. It isn't on me; in this case it is on AMD. This
kind of compromise in design was not a wise decision.
I am not responsible for Ryzen RAM controller design.
You are waiting for intelligent answer ,but was it intelligent to buy a CPU on a very new and unknown architecture in very first days after release?
I don't think so.
Ryzen specifications are clear NOW.You can only accept it.
I see it realistic. First I ordered 4x8 for 32GB, then I changed it to 2x16GB (pre-order is delayed).
They will run at 2.4GHz. As I heard, except for special cases, you will not notice the difference between 3GHz and 2.4GHz.
Overclockers.co.uk said in their forum, two 8GB can run stable (overclocked) at 3GHz. Anything beyond is not recommended.