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Upgrading DDR2 800 - 1066

Last response: in Systems
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April 27, 2010 10:25:37 AM

Hi

Im looking to buy these:
Kingston HyperX - Memory - 4 GB : 2 x 2 GB - DIMM 240-pin - DDR2 - 1066 MHz / PC2-8500 for my home build, my question is will they work on a GA-G41M-ES2L mobo, Core2 Duo E5300 2.6Ghz?

And if they do will they keep the speed or drop down to 800?

I look forward to your advice

AndyC
April 27, 2010 11:21:07 AM

Your Mobo supports RAM frequency upto DDR2 800Mhz.
So If you try to run a 1066Mhz DDR2 chip then it will automatically underclock itself to 800Mhz.

I have 800Mhz ram on a mobo that supports max 667Mhz and the ram runs at 667Mhz.

If you can find 800Mhz DDR2 for cheaper than 1066Mhz I would suggest you to buy those! :) 
April 27, 2010 11:53:53 AM

Thanks Shubham

When the builds finished im going to be OCing the cpu. On my old rig i had to lower the RAM multiplier so my system didn't keep crashing. Im thinking that if i install 1066, and it is underclocked to 800, i can keep the multiplier on auto when OCing the cpu, and not have to worry about the memory as it should be able to handle the OC.

Is this doable?
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April 27, 2010 12:22:54 PM

1066Mhz RAM is just Oced 800. Well if you plan to OC , then 1066Mhz sticks will be better for you. As they are garunteed to run at 1066Mhz. :) 
April 27, 2010 12:41:34 PM

Thanks Shubham
a c 122 B Homebuilt system
a b } Memory
April 27, 2010 5:02:41 PM

The GA-G41M-ES2L is an economy board. You will have problems pushing the FSB much past 400 MHz. And you will have problems even reaching 333 MHz with the CPU chip.

Besides, overclocking RAM in a Core2 system will yield little, if any, increase in performance. All you basically accomplish is making the memory "hurry up and wait" for the CPU to load or unload the FSB.

Overclocking RAM:
http://www.tomshardware.com/forum/251715-29-ratio-myth
April 27, 2010 6:25:29 PM

but doesn't increasing the FSB also increase the speed of the CPU as well as the ram?

if this is the case then wouldn't the CPU and RAM still be running in sync as if it were running stock settings just at a higher frequency?
!