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Memory Types
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Original Message
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Name: GR-13
Date: November 5, 2007 at 11:37:42 Pacific
Subject: Memory TypesOS: Vista UltimateCPU/Ram: XP2400+ 1024 DDR |
Comment: Hi guys , Sorry for the noob question.
I am about to get a new motherboard which supports this memory 800/677/533 dual channel DDR2 memory architecture .
I have been doing a search for memory to buy but dont understand what pc3200 / 5200 etc mean , want to make sure i get the right type , any pointers GR
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Response Number 3
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Name: jam
Date: November 5, 2007 at 12:21:03 Pacific
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Reply: (edit)If you divide the "PC" rating by 8, you'll get the "DDR" rating. Divide again by 2 & you'll get the actual frequency. Take PC2-6400 for an example: 6400 / 8 = 800MHz (DDR) / 2 = 400MHz frequency
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Response Number 5
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Name: GR-13
Date: November 5, 2007 at 15:03:12 Pacific
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Reply: (edit)Thanks for the response guys ,
Another question can i have two different brands in at the same time ie,
Patriot 2GB (2 X 1GB) PC2-6400 DDR2-800 EXTREME
and
Team 1gb DDR2 800mhz ? Regards
GR
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Response Number 6
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Name: WebsWonder
Date: November 6, 2007 at 04:26:28 Pacific
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Reply: (edit)Yes you can, but as modern motherboards can run dual-channel it is always better to buy/install in matched pairs...... Also read the motherboard manual because it will state what permutations one can use...
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Response Number 7
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Reply: (edit)It doesn't matter whether brands are the same, but it is recomended any ram you want to run in dual channel mode be a matched pair from the same maker.
There is only an extremely tiny advantage in using ram that will run in dual channel mode. Most mboards/main chipsets will run all the ram in single channel mode if you have three modules, two of which are a matched dual channel pair, so there's no point in buying a matched pair that will run in dual channel mode in that case.
Would you notice the difference between all the ram running in dual channel mode compared to all of it running in single channel mode, if other specs are the same? - probably not.
You can only actually make full use of more than 3 gb total ram if you have a 64bit operatiing system.
The most important thing is to make sure it is compatible with your mboard model / main chipset before you buy it - if you can't find lists of compatible modules that work in your model for a particular brand, or find out whether particular modules will work by feedback from you contacting them, don't buy that brand.
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