12R6977 - IBM 4GB DDR-266MHz PC2100 ECC Registered CL2.5 208-Pin DIMM Memory Module
12R6977 - IBM 4GB DDR-266MHz PC2100 ECC Registered CL2.5 208-Pin DIMM Memory Module
12R6977 - IBM 4GB DDR-266MHz PC2100 ECC Registered CL2.5 208-Pin DIMM Memory Module