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New ram wont run! Please help!

Ihsanovic
Level 7

‎05-18-2017 09:36 AM - last edited on ‎03-05-2024 10:24 PM by Community Admin

I just bought these rams (G.Skill TridentZ RGB DDR4-3866 C18 QC - 32GB(4x8) and i just cant run it at 3866 - it goes black screen everytime i try to run it at 3866. I can only run them at 3600. Please somebody help!

This is actually quite funny. When i start only using one of the rams, i can run 3866 with no problem. And SOMETIME after shutting down the computer and installing the ram nr 2, i can also run 3866 - and then i shut the computer down again and installed the 3 ram and it did work with 3866 - but it wont run all 4 rams with 3866 speed. What im i overseeing here? (Now it sometimes wont run 2 rams or 3 rams together) Only 1 ram always works at 3866, but 1,2,3 is working at 3866 sometimes.

My specs are:

Motherboard
ASUSTeK COMPUTER INC. STRIX Z270F GAMING (LGA1151)

CPU
Intel Core i7 @ 4.20GHz 41 °C
Kaby Lake 14nm Technology
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8 REPLIES 8

Chino
Level 15

‎05-18-2017 09:52 AM

DDR4 3866 might require some manual tweaking to stabilize. The VCCIO & SA voltages are a good place to start.

Here are some guidelines.


























DDR4 frequency rangeRequired CPU VCCIO Voltage rangeRequired CPU System Agent Voltage range
DDR4-2133 ~ DDR4-28001.05V ~ 1.15V1.05V ~ 1.15V
DDR4-2800 ~ DDR4-36001.10V ~ 1.25V1.10V ~ 1.30V
DDR4-3600 ~ DDR4-42661.15V ~ 1.30V1.20V ~ 1.35V
Overclocking The Core i7-7700K With DIP5 |Overclocking the Strix GTX 1080 | OC Panel & OC Panel II Guide | Overclocking i7-6700K to 4.6GHz | R5E 128GB DDR4 Setup | Liquid Cooling GTX 980 Ti Poseidon | R5E M.2 FAQ
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Ihsanovic
Level 7
In response to Chino

‎05-18-2017 11:15 AM

Chino wrote:
DDR4 3866 might require some manual tweaking to stabilize. The VCCIO & SA voltages are a good place to start.

Here are some guidelines.


























DDR4 frequency rangeRequired CPU VCCIO Voltage rangeRequired CPU System Agent Voltage range
DDR4-2133 ~ DDR4-28001.05V ~ 1.15V1.05V ~ 1.15V
DDR4-2800 ~ DDR4-36001.10V ~ 1.25V1.10V ~ 1.30V
DDR4-3600 ~ DDR4-42661.15V ~ 1.30V1.20V ~ 1.35V


Thanks alot! Should i start at 1.15v and 1.20 and go .5 every time i OC with both ?
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Ihsanovic
Level 7
In response to Ihsanovic

‎05-19-2017 06:46 AM

Ihsanovic wrote:
Thanks alot! Should i start at 1.15v and 1.20 and go .5 every time i OC with both ?


Didnt work 😞
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HisEvilness
Level 7

‎05-18-2017 06:52 PM

Any other settings to consider when OC"ing RAM?
- Death walks among you. <<>> Intel 7 8086K OC Guide <<>> Ryzen 5 1600x OC Guide <<>> Ryzen 5 1600 OC Guide <<>> Air Cooling 101<<>> Overclocking Guide for DDR4
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HisEvilness
Level 7
In response to Nate152

‎05-18-2017 07:32 PM

Nate152 wrote:
If you're looking for a maximum ram overclock you can take the Dram voltage up to 1.50v.

http://www.legitreviews.com/what-is-the-safe-voltage-range-for-ddr4-memory-overclocking_150115#T6PDO...


My sticks or not the best i believe i did not check the die and proper specs for Ryzen 5, merely the timing and mhz what is foolish in hine sight.
As it stands i am stuck at 2666 looking to get it up to 2933 but i believe with the current BIOS i am stuck at 2666 unless i am missing something.
- Death walks among you. <<>> Intel 7 8086K OC Guide <<>> Ryzen 5 1600x OC Guide <<>> Ryzen 5 1600 OC Guide <<>> Air Cooling 101<<>> Overclocking Guide for DDR4
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thomas_yiu
Level 9

‎05-23-2017 05:12 PM

I would start with setting up the timing manually: 18-19-19-39-2N timing with 1.35V DRAM Voltage in BIOS and DIMM Frequency at 3866Mhz. Make sure the RGB software is not installed with the Aura sync, which will crash the system. I will tweak the voltage for stability by increasing DRAM voltage a little higher (+0.01V i.e 1.36V)
Sincerely,
TY
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