Question facing BSOD Mixing 2x8gb + 2x16gb with D.C.O.P on

Nov 23, 2020
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Hello

i've bought two sticks 2x16gb for my PC, but i have some issues using together with 2x8gb that i've already have.
SPECS
CPU:AMD ryzen 2700
Motherboard: asus b450-f rog strix
gpu: asus RTX 2060 rog strix
RAM : 2x8gb 3000mhz CL15 crucial ballistix sports LT BLS8G4D30AESBK.M8FE
2x16gb 3000mhz CL15 crucial ballistix BL16G30C15U4R.M16FE1
storage: SSD Adata XPG Gammix S11 Pro 256GB

when i put the 2x16gb on the primary dual channel (A2,B2) it's work with 2x8gb set to 3000mhz standard D.C.O.P.
when i try to get higher OC with 3600mhz CL18 it didn't boot, the best O.C i had is 3000mhz CL14 , 16 , 14, 14, 34.
but playing Escape from tarkov i've been crashing game when ram usage surpass 12gb ( when i have only 2x8gb the game never crashed)

when i put the 2x8gb on the primary dual channel, the only configuration i was able to run without BSOD is 2400mhz 18,18,18,18,39.

with them alone 2x8gb or 2x16gb i was able to reach 3600mhz O.C CL 16.

it's better to me only use the 2x16gb sticks?
 

DMAN999

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3466 is the highest stated speed for a 4 stick kit of RAM on your Asus ROG Strix B450-F and Ryzen 7 2700.
ASUS ROG STRIX B450-F GAMING | ROG - Republic Of Gamers | ASUS USA
And the QVL only shows 4 dimm kits working at 2800 or 2666:
Memory_QVL_AMD_Ryzen_2000_Series_Processors_B450_4DIMM.pdf (asus.com)
And since you are using 2 separate 3000 kits your chance of running them all at 3466 is slim to none.

If I was you, I would use one kit or the other.
If you run applications that require a Lot of RAM use the 32 GB kit, otherwise the 16 GB kit should be sufficient.
 
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