Maybe Warm: PNY 256MB MODULE FOR APPLE G3 350/400 G4 (YOSEMITE) $40

[Rally1]

i just happened upon it, no idea if it's any good, i'll leave that up to you.

says in stock, and on the same page they sold out.

you will have to do more research, sorry.

www.pagecomputers.com

 

[Rally1]

also 256MB PC133 SDRAM MODULE FOR THE SONY PCV RX260DS


one for $49