Whats the highest reasonable mem oc on X58

Kaapstad

Kaapstad

Kaapstad

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I just put 3 strips of these bad boys I had lying around for my next build in my old X58 system (i7 975/R3E) just to see how high I could push it.

http://www.overclockers.co.uk/showproduct.php?prodid=MY-353-CS&groupid=701&catid=8&subcat=817

I found I could get to about 2080mhz on the memory and oc the CPU to 4.0ghz plus on the CPU without problems and run the physics test in 3dmark11.

When I set the memory to 2133mhz and the CPU to stock I could also boot into windows and do a run on physics in 3dmark11. Unfortunataly when I started to oc the CPU the system would crash on the physics test.

What was also interesting is the modules above are 4gbs each but the 3 strips (12gb total)needed a lot less voltage on the QPI than the 6gb patriot viper kit (rated 2000mhz) I normally use that can not go above 1866mhz when running 3dmark11 without crashing.

Back to my original question is this about as far as a normal X58 system can go. I think the IMC on my 975 probably had heart failure when it saw the above memory modules comming.:D
 
I managed to get 2000MHz 24/7 stable easy on my C0 i7 920 with 3x4Gb. It really depends on how good your CPU is, how dense the RAM is and how many sticks of RAM you're using.

3x2Gb - Is generally easy as a hooker on Rohypnol to get well over 2000MHz so long as the RAM is capable.
3x4Gb - Is harder but if you have a decent set with low timings then you shouldn't have much problem overclocking
6x2Gb - I found very hard, i think this was my IMC being crap. Required high QPI/DRAM.
6x4Gb - Damned near impossible for me to go over 1866MHz with 2000MHz rated memory.
 
i could run 1800mhz tri channel no probs at 4.2ghz,never really pushed for more,that was with 1.35v qpi/vtt(imc) voltage
 
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