Tom's Hardware > Forum > Motherboards & Memory > Memory > [Solved] Can I use DDR2 533 on mobo with 667?

[Solved] Can I use DDR2 533 on mobo with 667?

Forum Motherboards & Memory : Memory - [Solved] Can I use DDR2 533 on mobo with 667?

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Best answer from GhislainG.

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SubCon   07-19-2009 at 06:28:24 PM

Never tried that so if someone knows:
Can I use DDR2 533 memory on mobo that supports 667 and up? I dont want to overclock and will be happy if it works with 533 speed.

Thanks

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Best answer from GhislainG
A lot of newer motherboards don't support FSB 533 CPUs, but that was easy to find out before buying the motherboard.
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Bronze Motherboards badge GhislainG   07-19-2009 at 08:05:27 PM

As long as the motherboard supports it, then it will work. If you want a definite yes or no, then let us know about the motherboard and memory modules.

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AKM880   07-20-2009 at 09:54:20 AM

What is the motherboard model?

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zipzoomflyhigh   07-20-2009 at 03:40:43 PM

It should. I'm pretty sure any mobo that will take 800 will take 667 or 533.
What mobo??

------------------------------ P965/Q6700@3.2 8MB HD4850 OC Edition
4GB Corsair XMS 800
Vista64/Win7
Fatality 550w/Antec 300
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SubCon   07-20-2009 at 04:20:40 PM

Gigabyte GAG31MES2L, they have some memory modules compatible with 533, but I cant be sure or can I? BTW will it work with CPU fsb 533 on this mobo (min support 800 fsb) ?

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Message edited by SubCon on 07-20-2009 at 04:26:37 PM
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Bronze Motherboards badge GhislainG   07-20-2009 at 08:56:47 PM

SubCon wrote :

Gigabyte GAG31MES2L, they have some memory modules compatible with 533, but I cant be sure or can I? BTW will it work with CPU fsb 533 on this mobo (min support 800 fsb) ?

What CPU are you planning to buy? It has to be on the CPU support list: http://www.gigabyte.com.tw/Support [...] #anchor_os

Don't worry about the memory modules. They should work fine at Auto settings. There is no direct relationship between the RAM speed and the FSB. You can use a FSB 1066 or 1333 CPU (or even a 533 if you still use an old P4) along with DDR2-533 memory and it will work.

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SubCon   07-20-2009 at 11:45:58 PM

Well Just bought today another mobo (they didn't have Gigabyte): Asus P5KPL-CM, And it didn't work with the 533 CPU and 533 memory. Maybe Gigabyte would have worked but I'm not going to try, so I ordered 945chipset board...

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Bronze Motherboards badge GhislainG   07-21-2009 at 12:41:13 AM
Best answer

A lot of newer motherboards don't support FSB 533 CPUs, but that was easy to find out before buying the motherboard.

Reply to GhislainG
f-gomes   07-21-2009 at 09:46:24 PM

Not if your board sports intel P45 chipset.

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