On 3/11/03 1:21 AM, "Jack" <gsxrawd at uia.net> wrote: > Looking to add more RAM but don't know what I need. > Does my G4 Powerbook 550 mhz use PC133, PC2100 DDR or..... > > Thanks > Jack > Jack, I also have a Ti550, Kingston has the bestest price on the 512MB chips currently. Can't go wrong. <http://www.ec.kingston.com/ecom/configurator/modelsinfo.asp?SysID=+10384+&d istributor=0&submit1=Search> Bill Reburn