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  #1  
Old 03-21-2017, 07:38 PM
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Default AMD Ryzen DDR4 Compatibility Questions?

Due to the number of questions regarding Ryzen compatibility, I split this thread off of the Ryzen validated SKU list (the original sticky post).

Link to that post for reference: http://forum.corsair.com/v3/showthread.php?t=166631

Last edited by Corsair CJ; 05-04-2017 at 04:31 PM. Reason: Split from original sticky post.
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  #2  
Old 03-21-2017, 07:56 PM
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Question Please will you specify how many ranks?

Please will you specify how many ranks each DIMM has as this matters with Ryzen?

Quote:
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  #3  
Old 03-22-2017, 04:37 PM
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Hey Red Ray, this information is an older slide. AM4 memory compatibility has gotten a LOT better since early March.

We have tested single and double rank modules on AM4 boards, and the ones listed in our initial post are AM4 approved and guaranteed to work.

As CJ said, we'll be adding a lot to this list as we validate more and more modules. Right now AM4 memory compatibility can still be a bit tricky between various board vendors and even BIOS revisions. It's getting better every day, though.

I wouldn't be as concerned with the # of ranks or the memory IC on each module as I would be with whether or not the memory is validated & qualified on AM4.

Even the same module with a different SPD can change performance and compatibility significantly right now.
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  #4  
Old 03-23-2017, 12:17 PM
Hisyam Hisyam is offline
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Hi,

Currently I am using msi b350 tomahawk and domminator CMD16GX4M2B3000C15, still have issues on frequency max 1.833Mhz and also a lot of freeze and Insist me to hard reset and start the computer again. Note that I am using default values on bios!

Is there any specific voltage, latency, and frequency to maximize the performance whitout making it crash over and over.

Thanks
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  #5  
Old 03-24-2017, 11:54 PM
Hyncharas Hyncharas is offline
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@Corsair George I would love to hear if ANY of your Vengeance LED chips are (or will be) compatible with Ryzen - particularly the new Vengeance RGB...
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  #6  
Old 03-25-2017, 04:53 AM
red-ray red-ray is offline
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Arrow CMU16GX4M2A2666C16 worked in a 1700X, but CL 4.6.0.86 failed

Quote:
Originally Posted by Hyncharas View Post
@Corsair George I would love to hear if ANY of your Vengeance LED chips are (or will be) compatible with Ryzen - particularly the new Vengeance RGB...
My single rank CMU16GX4M2A2666C16 worked with a 1700X .

CL 4.6.0.86 failed to control the LEDs , but my SIV utility could , see http://forum.corsair.com/forums/showthread.php?p=896217
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  #7  
Old 03-25-2017, 05:21 AM
red-ray red-ray is offline
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Question When will you not reply the PM I sent on 22-Mar-2017?

Quote:
Originally Posted by Corsair George View Post
  1. Hey Red Ray, this information is an older slide.
  2. AM4 memory compatibility has gotten a LOT better since early March.
  3. We have tested single and double rank modules on AM4 boards, and the ones listed in our initial post are AM4 approved and guaranteed to work.
  4. As CJ said, we'll be adding a lot to this list as we validate more and more modules.
  5. Right now AM4 memory compatibility can still be a bit tricky between various board vendors and even BIOS revisions. It's getting better every day, though.
  6. I wouldn't be as concerned with the # of ranks or the memory IC on each module as I would be with whether or not the memory is validated & qualified on AM4.
  7. Even the same module with a different SPD can change performance and compatibility significantly right now.
Thank you for your reply, but when will you not reply the PM I sent on 22-Mar-2017?
  1. Please will you specify the URL of the latest information from AMD?
  2. Obviously.
  3. Were the speeds achieved for single rank the same as for double rank or faster?
  4. Good.
  5. Yes and I get the impression single rank DIMMs are not as tricky as double rank DIMMs.
  6. You may not be, but I am and would like the rank information so I can make an informed decision. Obviously I would check the DIMMs were validated & qualified.
  7. Which run fastest if pushed beyond the qualified speed, single rank CMU16GX4M2A2666C16 or dual rank CMU16GX4M2A2666C16?
Quote:

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  #8  
Old 04-05-2017, 03:40 AM
mmd1990 mmd1990 is offline
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I got 2x CMK16GX4M1B3000C15 and Gigabyte Aorus x370 Gaming K7 with F3C bios (F3D didn't flash for me) and can't get to post with over 2400MHz. Any advice or help with maybe some manual timings ? and can I go over 1.35V?
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  #9  
Old 04-06-2017, 04:03 PM
deathotter deathotter is offline
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I'm getting stable 2400 on corsair default timings with Vengeance® LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Memory Kit – Cool Gray (CMK16GX4M2C3200C16S) but cant get any higher than that. Its a samsung dual rank kit.

Mother board: Asus X370 Prime Pro, 0515 bios
Processor: Ryzen 1800X
Ram kit: CMK16GX4M2C3200C16S _ Corsair Vengeance LPX 2x 8gb 3200 mhz
Bios timings: 16-18-18-18-36, 1.35v

Let me know if you need more testing or screenshots of the kit/siv etc. I've tried every timing I could think of and cannot get above 2400. Its dead solid at 2400 though, so its better than 2133!
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  #10  
Old 04-10-2017, 10:23 AM
TheBestBanana TheBestBanana is offline
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Default Samsung B-die chip

Okay so im looking to buy
Corsair DDR4 Vengeance LPX PC25600 16GB (2X8GB) - CMK16GX4M2B3200C16
http://www.corsair.com/en-us/vengean...6gx4m2b3200c16
For my Ryzen 1700

But from what i've read here and other source of information
https://www.reddit.com/r/Amd/comment..._samsung_bdie/
https://www.reddit.com/r/Amd/comment..._samsung_bdie/

Ryzen works better with samsung b-die chip than hynix chip and to know what chip i get is to check the RAM VERSION, if its 5.39 then it is Hynix, if its 4.31 then it is samsung b-die.

My question is HOW do you check the version? because i looked through photos of the memory box and not a single of them have a version listed.

If you know please help and if possible share the picture of where the version can be found
THANKS!
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  #11  
Old 04-10-2017, 10:35 AM
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The version number is found on the label at the heatspreader of the modules themselves.
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  #12  
Old 04-10-2017, 11:07 AM
TheBestBanana TheBestBanana is offline
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Thank you so much!
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  #13  
Old 04-13-2017, 06:43 PM
Rasama221 Rasama221 is offline
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Default

What about RGB?

CMR16GX4M2C3000C15

Will this work with B350 Tomohawk Arctic

Or even the LED Black/White Vengeance RGB
CMU16GX4M2C3200C16
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  #14  
Old 04-14-2017, 05:57 AM
Big_Gray Big_Gray is offline
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In case it helps anyone, I can confirm that CMU16GX4M2C3200C16R is working @ 2400 with Ryzen1600X and CH6 mobo. Tried @ 3200 but would not post. Will wait for bios updates before I try other timings.
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  #15  
Old 04-14-2017, 08:00 AM
foxyone foxyone is offline
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While my 16GB Vengeance kit CMK16GX4M2B3000C15 is on the validated list I'm having a lot of trouble reaching anything past 2400. The XMP profile won't post, apart from one odd time when it did, not exactly stable. With a bump to soc voltage and increased timings to cl18 I'm able to get 2666 to post but that seems to be about it. Running Ryzen 1700X with the Asus Prime x370 mobo and 0604 bios. Anyone with better experiences on this?
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