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Memory recommendation for EVGA X58 motherboard?

Post Date: 2014-11-04
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Topic: Memory recommendation for EVGA X58 motherboard?
    Posted: 04 Nov 2014 at 11:23am
Hey Folks,

I have an EVGA X58 motherboard that currently has 6 GB of RAM installed, and I'd like have at least 16GB, but I'm not sure exactly what memory to buy.

This is my current configuration:
     EVGA X58 motherboard (model 132-BL-E758-A1)
     6 memory slots
     3 memory sticks are currently installed
     Each one is a Corsair XMS3 series: DDR3 1600MHZ Triple Channel 1.65v 9-9-9-24

The user manual for the motherboard gives some conflicting specs. One page says that it supports up to 12GBs of memory. However, it has 6 slots, and each slot can support up to 4 GB. That would imply that I can install 24GB.

This leads to my two questions:

1) What is the max memory for this motherboard?

2) What memory configuration would you recommend for maximum performance? I would like at least 16 GB total (or 12 GB if that's the limit). Is it best to fill up all 6 slots, or does filling up 3 work just as well? What other performance related specs should I look for?

Thanks for your help,

James

P.S. There are other variations of this motherboard, and the user manuals for those other boards mention that 24GB is supported. For example, model 131-GT-E767 does support 24GB. Perhaps my model only supports 12GB for some reason.

P.P.S. I would be ok with abandoning my current memory sticks if it makes sense to do so.
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Posts: 1674 		  Quote  Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 12:00pm
Until my new Bolt II arrives, I'm still using my EVGA X58 Micro.

The processor determines the amount of addressable memory, which is 24 GB.

3 slots filled would be preferable to 6 slots. The reason why is that the memory is in a multi-drop communication configuration with the processor and having both slots can limit the speed and timings achievable by the memory.

On X58 boards you can get 1600-1866 MHz speed maximum. The X58 Micro's were notorious for not being good at getting fast memory speeds and even though I have 1866 MHz memory and the board supposedly supports it, clocking the memory at 1866 MHz made it unstable and I had to dial it back to 1600 MHz. You may not have that issue with the full size X58 board, just letting you know.

I would suggest trying to find a 3 x 8GB pack of memory (having the DIMMs matched is important) of 1600 - 1866 MHz memory with low latency timings.
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 12:16pm
Are you sure about the 8GB modules working in my motherboard? The manual clearly mentions a limit of 4GB per slot. Plus, the online Corsair Memory Configurator only recommends 2GB and 4GB modules.

I attached a screenshot that shows the recommendations.

By the way, I don't know much about latency or what the numbers mean. I'm tempted to match the specs of my current memory modules (1600MHz, 9-9-9-24) just because I know it works. However, I'm open to other suggestions if you think I can do better.

Thanks again for your help.

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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 12:30pm
The 9-9-9-24 is pretty common.   Go for it.    That mobo doesn't officially support the 8gb ram sticks, from my understanding, but others have done it. No guarantees, though.

If you don't need more than 12gb ram, like for gaming it's plenty, then 3x4gb sticks is best.   A lot less chance for even overclock problem with cpu if you have it.

I don't have that board, so he might have better experience.
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 1:31pm
Which of these two choices would be best?

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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 2:04pm
I'd go with the lowest latency, the 9-9-9-24, not that it makes a huge difference.

Not sure the site your on, but the 1600C9 version for less money would be my pick. It all comes in stock at 1333, the other speed the tested speed, and you might not get to 2000. 1600 is more doable.

But, it all works.
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Meller View Drop Down
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Posts: 1627 		  Quote Meller Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 5:51pm
I'd personally go with the lower voltage memory. XMS is good and low-mid level grade.

Vengeance is decent mid level memory. It's, what I'd take.

2000 mhz is kind of weird speed of memory too.

I'd definitely look at some 1600 or 1866 memory.
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 6:13pm
I just ordered these

http://www.corsair.com/en-us/xms3-12gb-triple-channel-ddr3-memory-kit-cmx12gx3m3a1333c9

Edited by JamesAstro - 04 Nov 2014 at 6:16pm
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JamesAstro View Drop Down
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Posts: 624 		  Quote JamesAstro Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 6:28pm
Oops, I just realized the memory that I ordered was 1333MHz. I cancelled that order, and ordered these instead:

Three Corsair XMS3 4GB
Model CMX4GX3M1A1600C9
DDR3 1600 MHz Triple Channel
9-9-9-24 latency
1.65 volts

Edited by JamesAstro - 04 Nov 2014 at 6:50pm
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Posts: 1674 		  Quote  Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 7:49pm
So why the board doesn't have official validations with 8GB sticks of memory is because back when we got these boards, 8GB DIMMs were obscenely expensive and used almost exclusively in enterprise environments (16GB & 32GB quad-ranked DIMMs from Samsung were just emerging toward the tail end of the X58s life). Processing node size for the silicon have since shrunk and made aerial density for the wafers much better to bring 8GB DIMMs to the consuming masses. However, it doesn't make much sense for someone like EVGA to go and validate new memory DIMMs against the boards they are not selling anymore. Point of this short rant: yes 8GB DIMMs are compatible, but they won't be validated to work.

12GB should be more than sufficient, though, for most things.
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Meller View Drop Down
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Posts: 1627 		  Quote Meller Quote  Post ReplyReply bullet Posted: 04 Nov 2014 at 7:53pm
Unless you're running ramdisks... it'll be fairly difficult to use up 12GB of ram.

I was dual botting WoW today with D3 opened in the back ground while having netflix play and facebook in the background also. I didn't even break 9GB of ram.
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