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Solve : Should I use 800mhz RAM with 667mhz RAM?

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So I decided to replace my old motherboard that supported only 667mhz RAM with a new motherboard that supports 800mhz RAM. I bought 4 gigs of 800mhz to replace the 4 gigs of 667mhz I CURRENTLY have. But in coming to think of it, am I better off to use all of the RAM to have a total of 8 gigs. In using all of it, the 800mhz RAm doesnt downgrade to 667mhz does it? The 800mhz will run at its own speed independently of the 667mhz RAM? Im wondering if this will cause any problems while overclocking. I use Photoshop and other media applications quite extensively so Im wondering if to save some money I should just return the 800mhz RAM. Thanks to all replies!Quote from: nutech310 on January 29, 2008, 01:39:53 PM

the 800mhz RAm doesnt downgrade to 667mhz does it? The 800mhz will run at its own speed independently of the 667mhz RAM?
Yes it does, and no it won't.
You will be able to use the 800 MHZ RAM but it will operate at 667 mhz. When you use RAM with mixed clock speeds the faster will always FALL back to speed of the slowest.
I HOPE you're using a 64 bit operating system though, because 32 bit Windows doesn't support more than 4 gb (and it can't even utilize 4 gb completely).
Thanks Deerpark, I thought 8gigs of RAM was a bit overkill, and no I dont use a 64-bit operating system.. I heard that about XP and the limits of RAM being utilized. Im also very curious about overclocking though, I just bought the Asus P5N-E SLI Mobo and I heard its a piece of cake. I have a q6600 as my CPU. Not very good IDEA using the 667mhz RAM to overclock my system with? I'm always vary about giving advice on overclocking. It's as much an art form as it is science, but I can give you a few pointers.
You should make sure you've got quality components before even attempting overclocking.
This means high quality RAM, a high quality power supply with plenty of power for the system, a good CPU cooler (the stock cooler you get from Intel isn't meant for overclocking) and good airflow through the case so the CPU gets plenty of cool air.
I would personally choose the 800 mhz RAM, since they'll give you a performance increase over the 667 mhz whether you overclock or not.Thanks for all the help, I guess I would consider this case closed. I think Ill keep the 4ghz of 800mhz RAM I bought... considering the 667ghz was a value select corsair, the 800mhz RAM will keep the options for the future more open to upgrade.


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