512mb DELL D600 DDR Memory RAM ProMos Samsung Hynix   512mb PC2700 DDR SDRAM 200 pin 2.5V 333MHz SODIMM Memory       2 STICKS OF 256MB FOR A TOTAL OF 512mb.   TESTED -- 100% Functional ==   YOU WILL RECEIVE RAM PULLED FROM DELL D600 BUT SHOULD BE COMPATIBILE WITH MOST LAPTOPS THAT USE DDR 256MB CHIP.      If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.   I have several memory pulled from dell d600 different brands. you will receive 2 sticks 256mb. Some are matching pair some are not but they are guarateed to work.