Kingston ValueRAM 2GB 667MHz DDR2 ECC Reg CL5 DIMM Dual Rank x8 Desktop Memory Standard 256M X 72 Parity 667MHz 240-pin Registered DIMM Dual Rank (SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, X8) Standard 256M X 72 Parity 667MHz 240-pin Registered DIMM Dual Rank (SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, X8) Standard 256M X 72 Parity 667MHz 240-pin Registered DIMM Dual Rank (SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, X8) Standard 256M X 72 Parity 667MHz 240-pin Registered DIMM Dual Rank (SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, X8) Standard 256M X 72 Parity 667MHz 240-pin Registered DIMM Dual Rank (SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, X8)