hey, i pulled this from Apple's new 12" 1.5 GHz PowerBook G4. it is a 256 MB stick. it is DDR333 PC2700 laptop ram. this RAM obviously works with different laptops other than this one. here is the link to crucial's site for the RAM specs: 256 MB Apple RAM Apple sells it for $75, Crucial sells it for $40 + tax/shipping, i'll let it go for $30 shipped, firm. email, reply or PM with offers. some heatware under "mxpiazza", 100% positive feedback (88+) on eBay under "hoehnen.3", bought and sold a ton on these forums as well.