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RAM upgrade for X58 FTW3

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Fire Raven
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2015/05/06 05:28:47 (permalink)
I presently use 3 DIMMs of 2GB each. I have heard about many X58 boards having trouble with >=12GB and/or 6 DIMMs due to memory controller issues.
 
My options for upgrade:
a) Replace these DIMMs with 4GB modules (total of 12GB)
b) Add 4GB DIMMs to the existing ones (total of 18GB)
c) Don't upgrade and stay with 6GB
 
Has a) or b) been proven reliable with this motherboard?
 
Does >=12GB require using slower DIMMs and/or slower timings in the BIOS? (I am thinking of when I tried to upgrade a Socket 939 board above 2GB. Not a good experience.)
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    Fire Raven
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    Re: RAM upgrade for X58 FTW3 2015/05/06 20:02:51 (permalink)
    The 3 DIMMs I now use are Crucial Ballistix with LEDs. This model is no longer available. I don't have their original timings data any more.
     
    The FTW3 manual says 24 GB is supported, but motherboard manufacturers do not always test the higher quantities before going to market. So upon hearing of a number of X58 users having trouble >=12 GB, I thought I should be cautious about attempting to go to 12 GB, let alone 18 GB.
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    Fire Raven
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    Re: RAM upgrade for X58 FTW3 2015/05/07 00:11:54 (permalink)
    Would software reveal the hardware timings or just what the BIOS is actually using (whether ideal or slower)?
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    iycanthropy
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    Re: RAM upgrade for X58 FTW3 2015/05/24 08:56:25 (permalink)
    I have 24GB of RAM in my X58 FTW Board, it is six sticks of Crucial Ballistix Tactical Tracer RAM at 1866mhz and timings of 9-9-9-24 and a 1T command rate. They run at a 1.5V in XMP mode on other boards but I'm running them at 1.6V as they gave me a BSOD with 1.5V. 

    Intel Xeon X5650 @4Ghz||EVGA X58 FTW3||24GB Crucial DDR3 Tactical Tracer RAM 1866MHZ||EVGA GTX 980 Ti ACX 2.0+||Asus Xonar DX2||Samsung 840Pro 250GB||1TB/2TB Storage||Corsair TX650W||Corsair 800D||Corsair AIO H60||6x120mm Enermax Everast Advance Fans||2x 140mm Enermax Advance||2x Antec Spotcool 100||Pioneer BDR-205||Windows 8.1Pro x64||
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