2GB DDR2 533MHz ECC eServer x 306M 8491 MemoryRAM, Memorystock Part No: 724ms-724
2048MB-533MHz DDR2-533 PC2-4200, ECC non-Registered, 240p DIMM, 1.8v. This module must be installed in pairs for Dual Channel mode.. Compatible memory for eServer x 306M 8491
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