What ram is compateble with Ryzen?

[Crosso_7]

So, I am planning to build an AMD Ryzen 7 1800x build for a long time.
Now at this point, I have a couple issues.
First one and the most important one is the RAM.

Now I am going to use the Asus ROG Crosshair VI Hero with the Ryzen 7 1800x and cool that CPU with a Noctua NH-D14 inside of the Fractal Design Meshify C.
Given this information, I was planning to buy 4 sticks (4*8Gb) of 3200 Mhz RAM.

First question: If I buy 4 sticks, am I gaining or losing any performance?
Second question: If I buy an (x) amount of RAM sticks at 3200 Mhz, will it run at that speed out of the box on that MOBO?
Final and most important question: Where can I find a list of ALL RAM that is compatible with Ryzen?
( Because I can not find any list with only Samsung die that works with OC on Ryzen. )

PS. Sorry for my bad English

 

[WildCard999]

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To answer your question RAM is pretty finicky so you may want to check the motherboard memory QVL to get a set that was been tested to work at the correct speed with whichever motherboard you'd be getting. Also for Ryzen it performs with faster memory so 2666mhz+ is preferred.

 

[Crosso_7]

klk;kkj

j
kj

kj
j
kjkhjbuhgbiughbijhbkj'
hjghkbhj

^?

To answer your question RAM is pretty finicky so you may want to check the motherboard memory QVL to get a set that was been tested to work at the correct speed with whichever motherboard you'd be getting. Also for Ryzen it performs with faster memory so 2666mhz+ is preferred.

Sorry my PC fucked it up, my bad.

 

[bigpinkdragon286]

RAM compatibility has gotten much better since the launch of Ryzen. Yes, modules that are built using Samsung 'B' die chips is still likely to be your best choice, but provided you're sticking to modules listed in the QVL for your chosen motherboard, I don't see you having too much trouble.

Depending on how soon you are purchasing and assembling the parts, Ryzen+, the first revision to the consumer Ryzen line is supposed to release in the April time frame. The new CPUs may be more accomodating to RAM and less susceptible to lower speed memory, but we won't know with any certainty until sites start releasing some benchmarks.

As for going with 4 modules over 2, there's really no general benefit. You might be able to get single rank modules at a higher speed that way, but that's not a guarantee, just a possibility based on your choice of modules. More modules usually results in higher loading of the memory controller, so I would suspect is slightly less likely to run at the highest speeds the modules are capable of. If you're going to drop in 4 modules, you may as well consider a pair of dual-rank modules in your module choices. The memory controller is likely to treat them the same way.

 

[WildCard999]

Here is the QVL memory list.
https://www.asus.com/us/Motherboards/ROG-CROSSHAIR-VI-HERO/HelpDesk_QVL/

As for RAM if you require 32gb then I'd get it in dual channel (2x16gb) as it will perform better.

 

[geofelt]

You want documented ram compatibility, particularly for ryzen which is picky about ran.
If you should ever have a problem, you want supported ram.
Otherwise, you risk a finger pointing battle between the ram and motherboard support sites, claiming "not my problem".
One place to check is your motherboards web site.
Look for the ram QVL list. It lists all of the ram kits that have been tested with that particular motherboard.
Sometimes the QVL list is not updated after the motherboard is released.
For more current info, go to a ram vendor's web site and access their ram selection configurator.
Enter your motherboard and you will get a list of supported kits.

Ryzen is dual channel.
You are likely best off with a kit of 2 x 16gb. You will operate in dual channel mode.
Ram must be matched; it usually costs more to match 4 sticks vs 2.

DDR4 ram has a stock speed of 2133. Speeds past 2400 generally require higher than stock voltage.
You implement the higher speeds by selecting an XMP profile in the bios.
That will set the appropriate speed/cas/voltage parameters to get the performance you paid for.

 

[ikaz]

Yes check with your MB QVL list first also it would be better to go with a 2x16 kit vs 4x8 since kits are tested to work together at the speeds advertised. If you go with two 2x8 kits then you could have issues and may not be able to hit the 3200 speed.

 

[Crosso_7]

Here is the QVL memory list.
https://www.asus.com/us/Motherboards/ROG-CROSSHAIR-VI-HERO/HelpDesk_QVL/

As for RAM if you require 32gb then I'd get it in dual channel (2x16gb) as it will perform better.

But in the QVL of that MOBO I cant find any 2*16Gb kit. :/

 

[Crosso_7]

RAM compatibility has gotten much better since the launch of Ryzen. Yes, modules that are built using Samsung 'B' die chips is still likely to be your best choice, but provided you're sticking to modules listed in the QVL for your chosen motherboard, I don't see you having too much trouble.

Depending on how soon you are purchasing and assembling the parts, Ryzen+, the first revision to the consumer Ryzen line is supposed to release in the April time frame. The new CPUs may be more accomodating to RAM and less susceptible to lower speed memory, but we won't know with any certainty until sites start releasing some benchmarks.

As for going with 4 modules over 2, there's really no general benefit. You might be able to get single rank modules at a higher speed that way, but that's not a guarantee, just a possibility based on your choice of modules. More modules usually results in higher loading of the memory controller, so I would suspect is slightly less likely to run at the highest speeds the modules are capable of. If you're going to drop in 4 modules, you may as well consider a pair of dual-rank modules in your module choices. The memory controller is likely to treat them the same way.

The thing is that in April the Ryzen 1800x will come down in price.
For right now I am planning, so when I see a big price drop to pick them up for cheap.