On Jun 12, 2005, at 10:55 AM, Kevin Willis wrote: > I was looking at a buying a G4/350 online, and I was wondering what > kind of CPU upgrades are available. Everymac.com lists the CPU as a > daughter card. Will that make the CPU from my Gigabit G4/400 > incompatible? In general CPUs are not backwards compatible. http://www.macsales.com will give you a good idea of the upgrades that are available for that generation of machine. In particular be careful that the cost of the G4 + upgrades is not greater than a new Mini. Phil