"DDR Ram is gaining an edge over SD-RAM now, with its low price and superior performance. However, DDR modules'
overclocking limits vary with each brand/stick. It is rather hard to know the limit before buying. Thus we came up with this
DDR ram guide. This guide is designed to test the limits of DDR modules on the market and we will update it as time changes."
FULL STORY @ OVERCLOCKERS (http://www.overclockers.co.nz/ocnz/misc/ddrguide/f1.shtml)