Memory upgrade GA-EX58-UD3R & i7 920. Plz help!

Antonis Stefanou · May 20, 2013

Hello guys,

I'm into upgrading my current desktop, especially RAM. I need 16GB ram size for audio and working with large virtual instrument libraries. I'm not into OC and stuff, I just need 16GB of RAM.

I'm really frustrated with compatibilities within MOBO and CPU. The problem is that i can't check compatibility into Gigabyte's site, since they have lists up to 2GB modules...

My current setup is:

MoBo: GA-EX58-UD3R (rev.1.0)
CPU: Intel Core i7-920 @ 2.66 GHz
My current RAM is: OCZ Gold Low-Voltage 3GB DDR3-1600 Ram Kit (PC3-12800, 8-8-8-24, Triple Channel, OC (yes, they seemingly work!)

Above ram sticks work @1.65V. This means that my mobo is overclocked by manufacturer/builder?

Cpu (920) supports ram speed up to 1066mHz. Should I choose strictly 1033mHz? Usually 1333mHz is cheaper; is it gonna operate automatically (downgrade) to 1033mHz?

The only compatible ram i found is this via crucial's memory advisor tool. Any chance to get 16GB on my system cheaper than 170€? :??:

Thanks a lot in advance

henydiah · May 20, 2013

4x4gb CL8 1.5v is good .. feel cheap get it and keep already RAM (1.65v) in the box ( time to upgrade) . before you buy it check first at website about memory suppot QVL your mobo, good luck .

Antonis Stefanou · May 20, 2013

Thanks for your reply. I was thinking about getting x4 of these:

http://www.ec.kingston.com/ecom/configurator_new/partsinfo.asp?ktcpartno=KVR1066D3N7/4G

Will they operate in 3-Channel mode or Broken Channel? Thoughts?

cin19 · May 20, 2013

X58 is tri-channel. If buy 4X4GB RAM then the RAM is in dual channel mode. There is small difference between them. And you are better to OC you CPU to get more juice from the CPU.

henydiah · May 20, 2013

too many stick .. i would go dual channel 16GB than $37 ( 10666 4GB single stick / 1333 ) ... it's too much for money , i think you got 4 stick with low price

.. sorry

Antonis Stefanou · May 20, 2013

henydiah :

Those Kingston sticks are the cheapest I can find... Plus they are CL7 (which means they are "fast" - right?)

@cin19

OC seems so difficult to me. So many parametres to tweak - causes me lots of confusion :pt1cable:

cin19 · May 20, 2013

The performances are almost same from CL7 to CL9. Read the review. And I found 16GB (will be dual channel) is £100.00 ( ~118 EUR).
Review: http://www.anandtech.com/show/2792
16GB RAM: http://www.amazon.co.uk/Corsair-16GB-1600MHz-Vengeance-Memory/dp/B007TG8QRW/ref=sr_1_7?s=computers&ie=UTF8&qid=1369064130&sr=1-7

Antonis Stefanou · May 20, 2013

cin19 :

thanks. Are they compatible with my MoBo's chipset?

North Bridge: Intel® X58 Express Chipset
South Bridge: Intel® ICH10R

cin19 · May 20, 2013

It does, except the RAM is in dual channel mode. And other review " Analysis--Triple-Channel Memory Does Not Impact Performance " http://www.tomshardware.com/reviews/Intel-Core-i7-Nehalem,2057-13.html

Antonis Stefanou · May 20, 2013

thanx! Yes, it makes no difference neither to me if it's dual or tripple channel. I just need the bandwith of 16GB (or even more, but my mobo has limitations). I'm getting these then

angrydot · May 20, 2013

Antonis Stefanou :

I'm no expert, but I do own a GA-EX58-UD3R. You cannot have 16GB in triple channel on this MB.

When it comes to double v. triple channels, your 2 options are:
-4x4GB (16GB) in dual channel
-3x4GB (12GB) in triple channel

If you need/want 16GB, then dual channel is the only option.

angrydot · May 20, 2013

Antonis Stefanou :

I'm looking at these sticks, both kits < $130 USD:
G.SKILL Ripjaws X Series 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-16GBXL
Corsair Vengeance Blue 16 GB DDR3 SDRAM Dual Channel Memory Kit CMZ16GX3M4A1600C9B

cin19 · May 21, 2013

angrydot :

Do you have any reason why you say "You cannot have 16GB in triple channel on this MB"?

Here is from intel:
"Triple-channel mode is enabled when identical matched memory modules are installed in each of the three blue memory slots.
If only two of the blue memory slots are populated with matched DIMMs, dual-channel mode is enabled."
http://www.intel.com/support/motherboards/desktop/sb/CS-011965.htm

angrydot · May 21, 2013

cin19 :

angrydot :

Do you have any reason why you say "You cannot have 16GB in triple channel on this MB"?

Here is from intel:
"Triple-channel mode is enabled when identical matched memory modules are installed in each of the three blue memory slots.
If only two of the blue memory slots are populated with matched DIMMs, dual-channel mode is enabled."
http://www.intel.com/support/motherboards/desktop/sb/CS-011965.htm

Because triple channel requires 3 RAM slots and 16 is not divisible by 3 (and this MB only has 4 RAM slots).

cin19 · May 21, 2013

True, you need 3 ram modules to run the tri-channel mode, but you also can use one ram module to run the single channel mode or two ram modules to run the dual channel mode too. And the performance difference between tri and dual is small, read the review and I add the link. http://www.tomshardware.com/reviews/Intel-Core-i7-Nehalem,2057-13.html

twodavez · Sep 9, 2013

cin19 :

Thanks for the information. I won a 8 gig dual channel set at a LAN party and was concerned about just putting 2 sticks into my triple channel rig.
Looks like i'll be upgrading my 6 gigs (2 gig x 3 sticks) to 8 gigs (4 gig x 2 sticks) tonight when i get home! thanks for the info!

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