Not so long ago Matt Herzog said:

> Hi All.
> I need to get a 32 MB module for my Performa550 which
> now only has I think 8 or 10 MB. Can anyone tell me
> if that's the maximum amount this motherboard can
> accept? Also can anyone recommend where I can purchase
> the 32 MB SIMM cheap? Will it be EDO?

I would recommend you get Guru 2.9 from Newer Technology:

http://www.newertech.com/software/software/files/guru.hqx

This will tell you -everything- you have ever needed to know about such
matters.

All the best.

Matthew