Well after trying both stick as was mentioned both measure at 120mb and both boot up w/o any hassle. However, when I put both 128 cards in, the comp will boot up sometimes just fine but other times will appear really goofy eventually crashing Just wondering if maybe my bus or mother board just can't handle 256mb or would a problem w/ one of the cards cause this? Thanks for the help by the way, I'm quite clueless on the hardware aspect of computers. Also the Ram should be Micron (it doesnt say on the card) but that is what I ordered.