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Memory combo for i7 3930k/asus p9x79 query

Last response: in Systems
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January 29, 2013 9:57:13 PM

I'm still adjusting my build before placing order (keep coming across posts with issues on compatibility)

Setup will be:

ASUS P9X79 PRO *2011*
Intel i7 3930K
Noctua NH-D14 CPU cooler

My query is on the RAM.

I had aimed to get RipjawZ 4x4GB PC3 12800 C9 1600Mha Quad channel kit for 16GB.

Given the likely pain of adding more RAM in future without removing the CPU cooler, I had thought about bumping up my order and adding a further 16GB now - so that I can match the exact same specs / supplier from the off and giving me 32GB.

I will be using it for 3ds renders with Mental Ray.

Firstly, are there any issues with filling all slots with 4GB dimms ?

Is it better to use fewer larger memory dimms ?

I've read of various issues in memory being recognised on the P9X79 with a i7 3930K - specifically around timings + CAS ? Now I don't really understand quite what that means, and if it is likely to be a problem or not.

I specifically selected the RipjawZ because they are both compatible with the Noctua NH-D14, and because they specifically say that they are compatible with the X79 mobo.

Thanks
a c 136 B Homebuilt system
January 29, 2013 10:01:24 PM

On X79 you can run in quad channel , so 4 DIMMs is the best and fastest configuration .

Use RAM without tall heat spreaders and there should be no problem

Lower timings are better , and may give you a performance edge .
January 29, 2013 10:06:32 PM

Outlander_04 said:
On X79 you can run in quad channel , so 4 DIMMs is the best and fastest configuration .

Use RAM without tall heat spreaders and there should be no problem

Lower timings are better , and may give you a performance edge .


Thanks,

If I'm going for 32GB - is 4 x 8GB better than 8 x 4GB - or is any advantage marginal anyway ?
!