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Maximus IV Extreme-Z (z68) Motherboard Maximum Performance Memory Question

post #1 of 5
Thread Starter 
Hi All,

I just purchased the new Maximus IV Extreme Z motherboard from Asus, the z68 version. I am looking to get a quad channel kit ,8gb or 16 gb, of the maximum performance ram that i can get. I run a lot of video transcoding applications in the background while watching movies on a multi-monitor setup so i would prefer the 16gb, but if i can get better performance at 8gb i will go with that.

Here are my motherboard memory specs:
  • 4 x DIMM, Max. 32GB, DDR3 2200(O.C.)/1866(O.C.)/1600/1333 Hz Non-ECC, Un-buffered Memory
  • Dual Channel Memory Architecture
  • Supports Intel® Extreme Memory Profile (XMP)
  • * According to Intel® SPEC, the Max. 32GB memory capacity can be supported with DIMMs of 8GB (or above). ASUS will update QVL once the DIMMs are available on the market.
  • * Due to CPU behavior, DDR3 2200/2000/1800 MHz memory module will run at DDR3 2133/1866/1600 MHz frequency as default.

My CPU is a i7 2600k Sandy Bridge
  • stock frequency is 3.4GHz
  • I will attempt to overclock it to at least 4.5GHz
  • Final Range would be 4.5-5.1GHz on liquid cooling

I need some help determining what RAM will give me the best performance, I've heard really good things about G.SKILL and here are some of the products I came up with. However, I am not completely sure how to choose between them and if my motherboard will be able to handle them, (ie need help figuring out at what point there will be a bottleneck by my motherboard bus speeds) (*MONEY IS NOT A FACTOR*

If anybody can offer some advice, or need more information to do so please ask, any help would be greatly appreciated .
post #2 of 5
If those are the 3 kits your looking at id go with the 2133mhz kit the extra $300 is not worth it for an extra 75mhz and the extra 60 is worth it for the bump up from the 1866

your board will easily handle those memory speeds as well I wouldnt worry about it
Edited by racer86 - 6/20/11 at 9:24am
post #3 of 5
With SB memory is not a factor in overclocking like it was with other processors as SB is 99% based on multiplier overclocking and not BCLK (FSB if you come from older architecture) - the 2133 and 1866 kits are SB kits as the 2200 kit will simply be down-clocked to 2133. - If you feel that you really need 16GB of memory then the 1866 kit will be more than enough speed / space for you. Most anything over 1600mhz memory in newer applications does little other than boost synthetic benchmarks.

(the extra $$ isn't worth it in the bump up in mhz as you won't see any real performance gains, and 1866mhz memory can usually be overclocked to 2133 fairly easily)
The Laptop
(6 items)
 
  
CPUGraphicsRAMHard Drive
Intel i7 2860QM AMD Radeon HD 6770M Corsair Vengence 1600MHz Samsung 840 Pro 256GB 
OSMonitor
Mac OS X 10.8 1680 x 1050 anti-glare high resolution  
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The Laptop
(6 items)
 
  
CPUGraphicsRAMHard Drive
Intel i7 2860QM AMD Radeon HD 6770M Corsair Vengence 1600MHz Samsung 840 Pro 256GB 
OSMonitor
Mac OS X 10.8 1680 x 1050 anti-glare high resolution  
  hide details  
Reply
post #4 of 5
Thread Starter 
Quote:
Originally Posted by racer86 View Post
If those are the 3 kits your looking at id go with the 2133mhz kit the extra $300 is not worth it for an extra 75mhz and the extra 60 is worth it for the bump up from the 1866

your board will easily handle those memory speeds as well I wouldnt worry about it
thanks, yeah this is what i was leaning towards, but wasn't sure since I do not know that much about current standards and how the information is bussed between the mobo/memory.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by appleg33k85 View Post
With SB memory is not a factor in overclocking like it was with other processors as SB is 99% based on multiplier overclocking and not BCLK (FSB if you come from older architecture) - the 2133 and 1866 kits are SB kits as the 2200 kit will simply be down-clocked to 2133. - If you feel that you really need 16GB of memory then the 1866 kit will be more than enough speed / space for you. Most anything over 1600mhz memory in newer applications does little other than boost synthetic benchmarks.

(the extra $$ isn't worth it in the bump up in mhz as you won't see any real performance gains, and 1866mhz memory can usually be overclocked to 2133 fairly easily)
thank you, i'll keep that in mind although that 2133 kit comes with fans for the memory which is also helping me lean towards it.
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