1.0GB (1024MB) PC4200 DDR2 533MHz 240 Pin DIMM
New, Lifetime Advance Replacement Limited Warranty.
2.0GB (2048MB) PC4200 DDR2 533MHz 240 Pin DIMM
2.0GB (2048MB) PC4200 DDR2 533MHz 240 Pin DIMM Module for the Apple iMac G5/1.9GHz, iMac G5/2.1GHz Models, Power Mac G5 'Dual Core' Models