New, Lifetime Advance Replacement Limited Warranty.
Up to 1GB in PowerBooks & iMac; up to 640MB in iBook using this 512MB Module.25 inch SO-DIMM 512MB PC133 CL3 SO-DIMM for iMac G4 700/800Mhz, PowerBook G3 Pismo, PowerBook G4 Titanium & Apple iBook G3 Models!.