Infineon HYS72D64320GU-5-B DDR-400 PC3200 512MB ECC - new, never used. $59.00 Infineon HYS64D64320GU-5-B DDR-400 PC3200 512MB Non-ECC, new, never used. $55.00 Micron MT9VDDT3272AG-335G4 DDR-333 PC2700 256MB ECC - new, never used. $49.00 Micron MT8VDDT3264AG-335GB DDR-333 PC2700 256MB Non-ECC - new, never used. $45.00