1GB (1 x 1GB) / DDR2 533 / PC2 4200 Desktop Memory / DDR2 (240 Pin DIMM) / Dual Channel Kit Universally compatible 1GB DDR2 SDRAM ...
1GB (1 x 1GB) / DDR2 667 / PC2 5300 / 5 CAS Latency Desktop Memory / DDR2 (240 Pin DIMM) Universally compatible 1GB PC2 5300 DDR2 ...
1GB (1 x 1GB) / DDR 333 ( PC 2700) Desktop Memory / DDR (184 Pin DIMM) IBM Desktop THINKCENTRE A50 SERIES, M50 SERIES, S50 SERIES