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Originally Posted by MooseMan3000
I'm looking into building a new higher performance gaming machine, and I have most of my components more or less decided on...
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Care to list em ?
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As far as I can see, no motherboards support any higher than DDR400 (PC3200). Why then do some DIMMs come in PC3500 and higher? Wa da fa? If NO motherboards support it, why are there so many choices for the higher grade stuff?
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Some mobos do support DDR at different speeds, but it is most commonly PC2700 (DDR333) or PC3200 (DDR400). I'm not quite sure where you're looking. FYI, most mobos have variable RAM timings
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Next question: what's DDR2? Does it have something to do with the higher grade memory? If so, why do some plain ol DDR still come in 3500+? I assume DDR2 is just a faster version of old DDR - if that's the case, do I need a motherboard to specifically support it, or will any DDR mobo work?
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DDR2 is a newer RAM form factor. It is not necessarily "higher grade" memory, it's just a different type. DDR2, in terms of clock speed, is faster than DDR, but from what I have learned the latency is higher. You need a mobo to specifically support it. DDR2 has 240 contacts, wheras DDR has 180-odd contacts.
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I'm planning on overclocking the RAM, so what type should I get? I'm probably gonna start with Corsair XMS dual channel stuff... but is there any reason I should shy away from this RAM? Does some high end RAM overclock better than others?
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Why on earth would you overclock RAM? Also, dual channel is not very much of a performance boost over "single" channel. Corsair XMS is okay, but OCZ is 3l33t. High end RAM may overclock better, but you're likely to fry it and waste money.
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And what ever happened to Rambus RAM?
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It.... sucked? A lot of machines from a few years back have RAMBUS, it's funny as eff diagnosing a RAM upgrade for them
