2GB DDR2 667MHz ECC IntelliStation M Pro 6218 MemoryRAM, Memorystock Part No: 732ms-732
2 Gig 2048MB 667MHz DDR2-667 PC2-5300, 240p DIMM, ECC non-Registered, 1.8v. This module must be installed in pairs for Dual Channel mode.. Compatible memory for IntelliStation M Pro 6218