Does anyone here have experience or knowledge on what the best configuration settings would be for a Ryzen 7 5800x with 4000Mhz CL16 memory?
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F4-4000C16D-32GVKA for Ryzen 7 5800x
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Since most 5800X can't actually reach DDR4-4000 synced (without WHEAs) and your motherboard is not on the QVL, you probably won't be able to use the XMP or only with a reduced memory ratio. My recommendation would be to overclock them manually instead, which - if done properly - will yield better performance anyways. If you are new to memory overclocking, I recommend reading and following one of the many guides, like that one:
https://github.com/integralfx/MemTes...0OC%20Guide.md
Try to find the highest synced ratio your system can manage and then optimize timings from there. It will usually be 3733/1866 or 3800/1900, but might be lower with four modules since the secondary memory slots can have a lower frequency limit.Last edited by emissary42; 09-17-2021, 02:16 PM.Team HardwareLUXX | Show off your G.SKILL products!
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Thanks for the replies, will explore and get back.
Currently I'm running DOCP at DDR4-4000 FCLK 1800 and it is stable, but now with four modules I wanna try to push it, the motherboard is also Daisy Chain / Fly-by so the secondary memory slots probably have a lower freq limit like you said. Let's see.Last edited by islas; 09-17-2021, 12:47 PM.
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Going async is usually not worth it, unless you get a lot of memory frequency out of it. And by a lot I mean more than +500MHz, which makes it more of a two than a four DIMM issue. Otherwise the latency penalty tends to eat up much/all of the bandwidth gains.
Like GSKILL TECH suggested, in most cases 3600/1800 should be doable even with four modules. You might be able to go up to 3733/1866 or even 3800/1900, but that can/will require "some" degree of fine tuning and also a capable CPU & MB.Team HardwareLUXX | Show off your G.SKILL products!
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