[Official] AMD Ryzen DDR4 24/7 Memory Stability Thread - Page 252 - Overclock.net - An Overclocking Community

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[Official] AMD Ryzen DDR4 24/7 Memory Stability Thread

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post #2511 of 2537 (permalink) Old 05-13-2019, 03:47 PM
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Hey all, can someone recommend me a 2x16gb ram kit?
I'm building a new workstation mITX based on the 2700x and Asus ROG Strix B450-I.
I'm also trying to stay under $200 for RAM.
Thanks !!
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post #2512 of 2537 (permalink) Old 05-14-2019, 10:55 AM
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Quote: Originally Posted by SanguineDrone View Post
Hey all, can someone recommend me a 2x16gb ram kit?
I'm building a new workstation mITX based on the 2700x and Asus ROG Strix B450-I.
I'm also trying to stay under $200 for RAM.
Thanks !!

Not sure about pricing in the USA or Europe so please excuse my comment if not in your area. I'd go with the Gskill FlareX stated as AMD Ryzen compatible as it is using the Samsung B-die chips.

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post #2513 of 2537 (permalink) Old 05-14-2019, 11:25 AM
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Micron B-die hoping tomorrow is the day that it passes 2000% in HCI memtest @ 3533 MHz. It looked like i was there earlier today, but no, fail at 544%
Have tried a lot at 3600MHz but something isn't stable when i reach those speeds and i have to set the SOC voltage a bit to high ( 1.18 V) for my liking. The extra voltage actually is pretty significant under full load, i guess there are a lot of transistors that uses this voltage on the chip. However these are my timings and latency at the moment.
Latest bios for my GA-AB350N-Gaming WIFI is used and i only uped the memory voltage to get it to post, after finding a stable frequency i started tuning the timings a bit. We will see if i "want" to work the down even more after i get this stable...
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post #2514 of 2537 (permalink) Old 05-14-2019, 12:44 PM
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Quote: Originally Posted by VPII View Post
Not sure about pricing in the USA or Europe so please excuse my comment if not in your area. I'd go with the Gskill FlareX stated as AMD Ryzen compatible as it is using the Samsung B-die chips.
I've looked at for 2x16gb kits, they only go up to 2933 and CL14
Not sure if it's worth the huge price premium.
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post #2515 of 2537 (permalink) Old 05-14-2019, 03:57 PM
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Quote: Originally Posted by SanguineDrone View Post
Hey all, can someone recommend me a 2x16gb ram kit?
I'm building a new workstation mITX based on the 2700x and Asus ROG Strix B450-I.
I'm also trying to stay under $200 for RAM.
Thanks !!
It won't be under that budget, but for 2x16GB 3200 CL14, there's the F4-3200C14D-32GTZ : https://www.gskill.com/en/product/f4-3200c14d-32gtz
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post #2516 of 2537 (permalink) Old 05-15-2019, 01:25 AM
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Quote: Originally Posted by SanguineDrone View Post
I've looked at for 2x16gb kits, they only go up to 2933 and CL14
Not sure if it's worth the huge price premium.
A quick search on Newegg (without CL specified) i find this kit that "1usmus" has recommended lately, and it also has good reviews with Ryzen as well.

https://www.newegg.com/global/se-en/...82E16820232709

These are the parameters i used.

https://www.newegg.com/global/se-en/...CE&PageSize=36
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post #2517 of 2537 (permalink) Old 05-15-2019, 08:50 AM
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Quote: Originally Posted by Unknownm View Post

can POST 3600Mhz SAFE but fails prime95 4Hours in with complete restart (no bsod just restart)

If I apply higher voltage , prime95 fails faster
SOC (1.05v to 1.15v)
CLDO_VDDP & CLDO VDDP (950 / 950)

When I turn on the PC the BIOS hangs on DRAM Yellow light. I restart and everything POSTs as well

Edit: having cad bus @ 30-30-40-60 gave me 4h prime instead of 2h
SoC gets more unstable/diffrent the longer you have it under usage/load. I've noted that it usually requires more voltage at longer runs, if voltage is low on a cold boot it can work for some time but after it's warmed up it will start to require increased voltages to stabilize as it may suddenly start to throw errors/bluescreens after several hours. Let it cool down and if will settle down after a while but it is easier to just increase the voltage instead to push the edge away from occurring.
procODT and Cad Bus settings have a effect on how stable or fast it can occur. Higher values I've noted usually cause it faster unless they are just a bad/unstable combination. They all play together.

I can for sure say HEAT! is a big factor on this. Open your chassis put a fan on your RAM or backside of motherboard and you can probably run much longer.
Something is drifting with it's tolerances and causes issues at longer loads when it heats up. As a point you might even need different CAD BUS settings for a warm system compared to a cold one. (they might error on cold boot but they will work when the system gets hot enough)

Found most of this testing out 3733-->3800Mhz memory speeds. At the edge of insanity.

NEW: Biostar x480GT8 ~4.0Ghz CPU, 3200Mhz RAM.... not really better
OLD: Ryzen 7 1700 @ ~4.0Ghz, Gigabyte GA-AB350 Gaming 3, F25 BIOS Agesa 1.0.0.6
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V @ 3733Mhz 16.(17).23.17.34.71.tRFC 568 1T 1.490V (Micron E-die 16nm)
Corsair LPX 2x8Gb 2666C16R @ 3200Mhz 14.(17).17.17.31.49...(260) 1T1.470V (Micron B-die 25nm)

Last edited by Nighthog; 05-15-2019 at 08:54 AM.
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post #2518 of 2537 (permalink) Old 05-15-2019, 11:29 AM
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Hello. I have been out for a while from OC scene, I'm using a x470 Asus ROG HERO VII and I'm still on 1104 BIOS. Are there any memory improvements with 2103? Any new 2700x overclocking methods? (I used to BCLK)
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post #2519 of 2537 (permalink) Old 05-15-2019, 11:50 AM
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Quote: Originally Posted by Synoxia View Post
Hello. I have been out for a while from OC scene, I'm using a x470 Asus ROG HERO VII and I'm still on 1104 BIOS. Are there any memory improvements with 2103? Any new 2700x overclocking methods? (I used to BCLK)
You should head over the CH7 forum. There are some differences with 2203. CPU requires less power. PE 3 and PE 4 can be controlled in BIOS by adjusting EDC now (previously only done through Ryzen Master). EDC no longer capped at 168. TDC and PPT seem to be uncapped as well (TDC used to be 114 but haven't found any benefit from the change). I haven't seen any increased memory performance, but others report they have.

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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post #2520 of 2537 (permalink) Old 05-15-2019, 11:53 AM
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Quote: Originally Posted by Nighthog View Post
SoC gets more unstable/diffrent the longer you have it under usage/load. I've noted that it usually requires more voltage at longer runs, if voltage is low on a cold boot it can work for some time but after it's warmed up it will start to require increased voltages to stabilize as it may suddenly start to throw errors/bluescreens after several hours. Let it cool down and if will settle down after a while but it is easier to just increase the voltage instead to push the edge away from occurring.
procODT and Cad Bus settings have a effect on how stable or fast it can occur. Higher values I've noted usually cause it faster unless they are just a bad/unstable combination. They all play together.

I can for sure say HEAT! is a big factor on this. Open your chassis put a fan on your RAM or backside of motherboard and you can probably run much longer.
Something is drifting with it's tolerances and causes issues at longer loads when it heats up. As a point you might even need different CAD BUS settings for a warm system compared to a cold one. (they might error on cold boot but they will work when the system gets hot enough)

Found most of this testing out 3733-->3800Mhz memory speeds. At the edge of insanity.
That makes sense with SoC as everything needs more power the hotter it gets.

And I have a fan sitting on my GPU in front of my RAM. I'm able to due so because of my AIO so if someone is in the same boat then I'd recommend giving it a try.

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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