I have the same machine. I have 1.5gb of RAM mostly bought from macsales.com If I were you, I'd just buy this: <http://eshop.macsales.com/Catalog_Item.cfm?ID=4891&Item=OWC2700DDR512> By buying 2700 ram, you can always moce it to a faster machine in the future. Whish is always the best policy IMHO. Good stuff. No affiliaton here. /e On Sun, 12 Dec 2004 20:54:38 -0800, hec <hecowan at shaw.ca> wrote: > hi, > > i have a mdd dual 867 and i would like increase the ram by 512 mb. i > have a few questions. are there different makes of ram, if so does > the quality and reliability vary? are there companies that group > members find to be better? > > according to the specs at the apple site this machine says that is > machine can use pc2100 or pc27oo memory (there is a single 256 mb > pc2100 in it now). what is the difference between the two types and > how do they influence how the machine works? > > i appreciate information to help me make this decision. thank you all. > > hec > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 > -- /e