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New Memory

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August 28, 2012 12:49:06 PM

Hi Fellas

I really hope that You / Someone can help me out since I am going to order some new Memories... Hopefully :) 

My "needed" Specs are:
Mortherboard: Gigabyte x58a UD5
CPU: I7 920
Mems: 2GB/3modules (6Gb Total) - OCZ DDR3 PC3-10666 Platinum Edition


I currently got this "Gigabyte x58a UD5" which Supports DDR3 2200/1333/1066/800 MHz memory modules. (Mem cap = 24gb on 6 modules).

I have been looking on the following modules (4x4 and 4x2) = (4gbx6modules)

Corsair 24GB DDR3 2133MHz CL11 (4x6) Vengeance
Corsair 24GB DDR3 1600MHz CL9 (4x6) Vengeance

My question is, since my motherboard don't support 1600Mhz, then would I be able to somehow run 1600 anyways, or would I have to run them to 1333?
/or would it be better to get the 2133MHz ones and run 2200MHz. (The price is almost the same for the 2 types of Rams.)

What would You guys choose to run with? /or are there any alternatives to these?

I am using my system primary for gaming and I know 24gb is alot and maybe its a little overkill


Any suggestions / help ?

More about : memory

a b } Memory
a b V Motherboard
August 28, 2012 1:53:39 PM

.. What version of windows are you running? Reason for the question is that Win 7 Premium ON supports upto 16 Gigs of RAM, for 24 gig you need the Prof or higher version.

.. Are you planing in the near future to Upgrad to IB? reason:
1) for SB any memory over 1333 voids Intels warranty, unless you purchase the OC warrantee.
2) For IB that bumps upto DDR3-1600.
3) Non issue for Your current CPU.


As to Performance
1) For gaming there is VERY little performance gain going from 8 Gigs to 16 gigs and certainly none for going from 16-> 24 Gigs.
2) Speed rating. For Snady bridge there is almost No diff between 1333 and 1600; However if the two are the same price 1600 was listed as the "SWEET SPOT" - But that was before Intel cam out and saif 1600 voided warranty. (Also any ram over 1.575 voided the warrantee. I did Move My 16 gigs of DDR3-1600, CL7 @ 1.600 V over to My SB (i5-2500k)
.. Going from 1600 -> 2133 will only gig you a Boost in Benchmarks (bragging rights) and Very Little real life performance gain (Note there are a very few software applications that take advantage of the higher speed).

My recommendations is to go with DDR3-1600 at the lowest CL rating with 1.500 Volts (looking at upgrade to IB in future). Reason for Upgrade is NOT CPU, but due to the advancement in chipsets on MBs - IE native USB3 and Sata III (6).

I love My Ripjaws DDR3-1600 CL 7 which are in both my i5-750 and i5-2500k.

Side Note: when runing at 1600 and above with all slots populated you may need to raise bclock (FSB) voltage and (M)ch voltage by a 0.1 Volt to get it stable
August 28, 2012 2:19:29 PM

Hi RetiredChief

Thanks for the answer and the good overview, appreciate that :) 

I got Windows 7 Ultimate edition, but as I see it, atm it would be a waste of money to get 24gb of Rams. So I think I will go for 12gb instead - looking for the Rigjaws with low cache latency.

But even though the motherboard don't have the 1600MHz option, then would I be able to install the 1600MHz Ribjaws ?

Related resources
a b } Memory
a b V Motherboard
August 28, 2012 2:25:09 PM

You should be able to go to memory in Bios and select XMP use profile 1 which should set all ram parameters.
If Not then you would need to manually input all the Values.
Bottom Line 1600 should work fine.


You might want to verify that you have the Latest Bios Revision. Often the Revisions update memory compatabilities.
August 28, 2012 2:26:48 PM


//
My motherboard got 6 slots for memories and is running 3-Channel. So would you suggest me to get 3 Memory slots or would 4 be ok /or would that mess something up ?
a b } Memory
a b V Motherboard
August 28, 2012 2:53:31 PM

Myself I'd probably fo 3 x 4 for 16 Gigs runing in triple channel.

You would need to verify that if you populate 4 x 2 in in first triple channel that it would run in daul channel mode. f so then go with te 4 x 4 for 16 gigs. Dought there is much diff in performance betwen daul and triple channel (at least for gaming) and the diff between 12 and 16 gigs for gaming will be small, if any.
August 28, 2012 6:34:15 PM

Hi RetiredChief, again. ;) 

I see that the Ripjaws with CL7 isnt available in my Country, so I was looking for alternatives (1600MHz with CL7).

The only issue is that the Rams are only shipped in 4x4 modules.

F.eks. :
Corsair Dominator 4 x 4 GB
4 x 4 GB (16 GB) / DDR3 SDRAM / PC3-12800 / 1600 MHz / ? Bit / ? ns / CL7 / 1.5 V

Corsair Vengeance 4 x 4 GB
4 x 4 GB (16 GB) / DDR3 SDRAM / PC3-12800 / 1600 MHz / ? Bit / ? ns / CL7 / 1.5 V


I read that when you have to run Triple-Channel, then You NEED 3 memory blocks in three of the slot that matches the Color on the socket (Gigabyte x58a UD5).
(I got 6 Ram sockets - 3 of them are Blue + the other 3 are white)

Would it be best to only install 3 modules in the sockets to get the thriple-channel effect, or would You suggest I put the "left over" in of empty socket, which means I will have 2 sockets left with no Modules. (3 Modules that runs Triple-Channel + 1 Module that runs, well for it self)

Apologize for the many questions, I just like to be 110% sure before doing anything.

Appreciate Your help
a b } Memory
a b V Motherboard
August 28, 2012 8:17:11 PM

Go for either:
3 x 4 all in Blue, or white, (mb manual will explain which to populate first) for 12 gigs.
Probably what I would g for.

Or
If you can run daul channel mode 2 X 4 in white and 2 x 4 in blue (for 16 gigs)

At 1.5 V, proably the best you will find for DD3-1600 is CL 8 in the ripjaw line, which would be just fine - never tell the diff between CL7 and CL 8 anyways.
!