5820k + 3200 memory memtest errors.

steven467 · Oct 18, 2016

So I've been running my 5820k 4.5ghz 1.28v with 16gb 2133 and it's rock solid with no memtest errors. I bought some corsair 4x8gb 3200 ram to take advantage of quad channel and the speed bump. With xmp enabled I get tons of errors, but at 2133 it passes no problem. I sent that kit back and today received a new kit to have the same issue still. Do I need to overclock anything else for this ram to run at advertised speeds? The only settings changed in bios are the OC, CPU voltage to 1.28v and xmp profile set which sets ram to 3200 and 1.36v. Any insight is appreciated. Thanks!

MeanMachine41 · Oct 18, 2016

steven467 :

Hi Steven

It is the strength of the IMC (Integrated Memory Controller) built into your chip that will determine the chips ability to support the DIMMs you are using.
32GB at 3200MHz DDR4 memory is a lot to ask of your IMC and Bios intervention for Primary Timings and Voltage would be required. Your XMP profile may not work as 3200MHz is considered an OC by JDEC memory standards.

I would check the exact P/N of your DIMMs against the MB QVL list to see if they have been tested.
They may or may not work together and you may require a Bios update. Try different Primary Timings and frequencies (You should not have to go above the DIMMs rated voltage) and if unsuccessful then return the kit and get a kit that have been tested in conjunction with the MB QVL.

steven467 · Oct 18, 2016

MeanMachine41 :

steven467 :

Hi Steven

It is the strength of the IMC (Integrated Memory Controller) built into your chip that will determine the chips ability to support the DIMMs you are using.
32GB at 3200MHz DDR4 memory is a lot to ask of your IMC and Bios intervention for Primary Timings and Voltage would be required. Your XMP profile may not work as 3200MHz is considered an OC by JDEC memory standards.

I would check the exact P/N of your DIMMs against the MB QVL list to see if they have been tested.
They may or may not work together and you may require a Bios update. Try different Primary Timings and frequencies (You should not have to go above the DIMMs rated voltage) and if unsuccessful then return the kit and get a kit that have been tested in conjunction with the MB QVL.

Thanks for the reply man, I did check the ram vs the supported list on my mobo before i ordered and my bios are the newest available. I've been playing with it a bit and just made it through memtest error free without xmp and a manual setting of 3200 and 1.37v. Guess i'll just see how it goes. Is xmp generally prone to causing more bad than good?

MeanMachine41 · Oct 18, 2016

XMP profiles were an Intel creation that defined the speed and Primary Timings that the memory would run at. These profiles are for ram set higher than what the board would officially support.
You can check your XMP profiles using CPU-Z. Some DIMMs have XMP1 and XMP2 with differing timings to help you quickly adjust for stability. They don't always work. XMP Profiles are not considered prone to causing good or bad, they work or they don't. It can be a frustrating exercise with no guarantee of success.

Tradesman1 · Oct 18, 2016

Initially try raising the VCCSA (System Agent Voltage up to 1.2 (may need 1.25)

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5820k + 3200 memory memtest errors.

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