12R8018 - IBM 4GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Dual Rank Memory Module
12R8018 - IBM 4GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Dual Rank Memory Module
12R8018 - IBM 4GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Dual Rank Memory Module