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Help with Memory for Gigabyte GA P35C DS3R

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April 24, 2010 5:59:45 PM

Hello,
I have a Gigabyte P35C-DS3R with 2x1gb of corsair ddr2 800mhz ram & need to upgrade to 4gb.
I was originally going to buy another 2x1gb of the same ram until I read 4x1gb can be hard to overclock.
The problem is I'm running an E6750 overclocked from 2.66 to 3.4 so dont want to cause problems for myself as i'm not too clever with overclocking etc...
My motherboard does take both ddr2 & ddr3.
Could anyone advise me as to which ram I should buy to get it to 4gb.
My pc is used for gaming & I need to be able to overclock my E6750.
Thanks in advance.
April 24, 2010 10:43:48 PM

I suggest you go to Crucial.com and all will become clear as you examine their software. Put your Motherboard into their system and it spits out the answer to your question.
Related resources
April 25, 2010 10:20:25 AM

Thanks for that anort3.
I actually have 2x 1gb of the corsair 4-4-4-12.
Any idea if it is harder to overclock 4x 1gb?
I am hoping someone has experience in using ddr3 on this board & could advise me if it would be worth getting that (as it will not cost me much more to just buy 2x 4gb of ddr3).
My E6750 fsb is 1333 so I was thinking it would be best to use ddr3 at 1333 but then realised the timings etc... would be higher than ddr2 800.
Also is it harder to overclock my cpu with higher mhz ram?
As I mentioned i'm not too good with overclocking so thought I'd be better off posting on Tom's hardware.
P.s Thanks for that Martin but it actually only tells me what ram my board takes just like in the manual.
April 25, 2010 9:12:21 PM

Hi.

I am currently running 4x1GB DDR2 on the same MB with no problems.
I have 4 modules of A-DATA Vitesta 800+.
I had only 2 modules for a long while and then I added another 2 and there was almost no difference in overclocking. The maximum RAM speed I could get with 2 modules was 990MHz. With 4 modules it is around 980MHz. But this could be because of the newer modules, not because of the MB.

a c 105 K Overclocking
a c 194 V Motherboard
April 26, 2010 5:41:34 AM

Some boards can be picky with 4 x 1 gb. That being said the only way to tell is to try it. You may have no problems at all.

Ok the E6750 has a FSB of 333 with an 8x multiplier. So stock it would run at a 1:1 ratio with DDR2 667. If you overclock the FSB to 400 with the 8x multi you go to 3.2 ghz. That runs DDR2 800 ( DDR= double data rate ) at the same 1:1 ratio. So at 3.4 I am guessing you are running 425 FSB with the 8x multi. So you need RAM at 850mhz. Either of those Corsair units should do that easily although you may have to loosen the timings on the 4-4-4-12 stuff.

An example: My E8400 stock is 333 FSB with a 9x multiplier for 3.0 ghz. So with DDR 800 it is almost a free overclock to go to 400 FSB x 9 for 3.6 ghz. That way the memory/FSB ratio is 1:1 with no memory overclock.

This explains much better and more in depth. http://www.tomshardware.com/forum/240001-29-howto-overc...

Your computer really can not make full use of DDR3. My advice is to put as little money as you can into it. LGA 775 is basically dead at this point but that is still a decent computer. Just get 2 more 1gb sticks.... as long as you match cas and voltage I think you will be fine.
April 26, 2010 10:13:25 AM

Thank you very much guys.
I will search about for 2 more 1gb sticks of the corsair.
!