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OK...this Crucial 4x4GB DDR4 kit will NOT run in quad channel...thoughts?

Ebo

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it has to come from our neibourgh country Sweden, so it takes a bit of time.
 

Frick

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This stuff exactly:

http://www.crucial.com/csrusa/en/bls4k4g4d240fsa

Two sticks in Dual Channel? No problem. XMP works fine.

Triple sticks in Triple Channel? No problem. XMP works fine.

Quad channel? Ain't happening. Even at 2133Mhz and 1.3v (rated for 2400 @ 1.2v). System will either hang on post, system reboots during Windows startup, or system will crash when in Windows. CPU overclocked or not, doesn't matter.

This has been in two different systems...FIVE different motherboards...three different CPU...TWO different kits...same problem. Get a EVGA 4x4GB DDR4-2800 kit? No issues...booted right up and been working for a couple days now intensively.

So what gives? Even with motherboards that are certified for the RAM (Asrock X99 Extreme-4 and Arock X99M Killer) same issues. RAM been Memtested...all of it. No physical issues with the RAM. No errors.

Yeah...it's something to do with this model, these kits, and quad channel. Makes no sense to me!

Thoughts?

Just because I'm curious, were all five boards ASRock?
 
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Crucial is manufacturing high quality memory and they have great support. If memory is not working then you can make RMA or ask support if they have any other idea. Probably they can replace it to newer series as price is similar. It simply looks like 1 stick is dropping and it's actually working as 12GB, not 16GB ( in OS you still can see 16GB ). It's happening really often while overclocking but if there is something wrong with memory then can happen on stock too.

Basic SPD profile is compatible with JEDEC so it just has to work on every motherboard. Also Crucial/Micron modules were the first DDR4 available on retail market so every motherboard manufacturer tested it and it's on compatible memory list.
I don't think you are using wrong memory slots.

I already reviewed 4 Crucial memory kits and all were working perfectly fine on ASUS and MSI motherboards. I still have 2666 Elite kit which is working on MSI X99S-SLI Plus without any issues. What more, they're overclocking great at low voltages.
 
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