These are some popular ones ppl talk about here:
TwinMOS 256 MB PC3200 5ns chip ~ $59
Winbond 256 MB PC3200 5ns chip ~ $75
OCZ 256 MB EL 3500C2 4.5ns chip ~ $86
Kingston 256 MB HyperX 3500C2 5ns chip ~ $87
Corsair 256 MB 3200C2 (6ns chip ??) ~ $84
Corsair 256 MB 3200 LL 5ns chip ~ $92
Corsair 256x2 MB 3200 LL TWIN 5ns chip ~ $193 (two)
Corsair 256 MB 3500C2 5ns chip ~ $93
.....
In my opinion, 5ns DRAM is mature, they all perform within a few MHz difference, i.e. within 3%.
For the already overclocked memory, how much more can we get. Recently there are lots of 5ns DRAM chips that can handle 200 MHz FSB with good price. This is very different than 6-12 months ago when 5 ns chips were not yet mature.
Some AMD CPU can be oc by 30-50%, but memory seems to be at most around 10%. Price/performance should be an important factor.
At this time, I'd go with the cheaper ones.
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