PureOverclock has published a review of the Crucial 4GB DDR3-1333 memory modules.
A quote from the article:
>> Crucial 4GB DDR3-1333 Review
Today we are looking at a set of Crucial 4GB DDR3-1333 budget memory modules that look very unassuming and rather uninspiring to be honest, sporting no heatspreaders and looking very......well.....naked. These Crucial modules may not be much to look at but do they pack some serious punch for achieving very high overclocks. Just how how far can these 1333 MHz sticks can go? Is 1600MHz good enough? No, that's for chumps. What about 1866MHz? No, that's for wannabees. Is 2000MHz within reach? Oh, now you're talking. Let's find out.
>> Crucial 4GB DDR3-1333 Review