1866MHz to 2133MHz

Dragonic · Feb 2, 2016

I'm running a FX-8350 along with Sabertooth 990FX r2.0 motherboard. The board does support higher memory speeds higher than 1866Mhz but the processor doesn't. If I go to the BIOS and change the frequency to 2133 will it run w/o problems or do I need to do some deeper tweaks/consider changing the processor for this?

Thanks.

Tradesman1 · Feb 2, 2016

If the DRAM is 1866 you may well have to change timings and voltages and it's possible to run it, many 8350s can run 2133 and even 2400 (I run 32GB of 2400 with my 8370)

Dragonic · Feb 2, 2016

Cuz I saw people saying that just by setting the frequency it would run just fine and others saying something about I having to first OC the cpu for it to handle the 2133Mhz, some crazy stuff like that. Atm with 1866Mhz it's running 11-11-11-30-1 I believe. I think the DDR4 version of the HyperX Fury (witch is the model that I have, but DDR3) that runs at 2133Mhz has default settings of 13-12-13-35-1 or something like that. If I put those configs on mine and then set the frequency up I should be fine (or I may need a bit more calibration to reach the sweet spot)?

Tradesman1 · Feb 2, 2016

Not crazy at all - if you look at a mobos specs, for DRAM, you often see data rates with an (OC) next to them, this indicates it may take an OC of the CPU or MC to run at those data rates. Also if using the DDR3 Fury at 1866 with those timings means it's not running at 1866 spec for it, since the Fury are a rated 1866/10. Also the DDR3 and DDR4 are completely different animals (especially timings wise. Best to run 1866 Fury at spec 1866/10 - if you try and OC them to 2133 will want then at least at CL11 - if you go CL12 or 13 you will probably see a performance Decrease with those loose sloppy timings

Dragonic · Feb 2, 2016

Tradesman1 :

Yes I know that DDR3 and 4 are different, I just said. So my best chance would be trial and fail to find the sweet spot (timers) for 2133Mhz? If the answer is Yes, running the system with wrong timings can cause any harm or the maximum that can happen is the system get slower/unstable til I change the numbers. No bricking the hardware or frying anything, right?

Tradesman1 · Feb 2, 2016

No shouldn't fry or brick anything, will the sticks run 1866 at 10-10-10

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1866MHz to 2133MHz

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