The memory in your computer can make or break your attempts at overclocking. Recently while characterizing six low latency DDR1 PC-3200 memory kits we noticed a performance gap when overclocking the modules. Sure, it is not uncommon to experience a few MHz here and there, but we were seeing 20+ MHz differences from similar memory kits. The memory kits we have from Corsair, Kingston, Mushkin, OCZ, and PQI are pretty much identical. They all have models with identical latencies (2-2-2-5), some basic heat spreaders, Samsung TCCD IC's and a lifetime warranty...................................
http://www.legitreviews.com/article/53/1/