4Gb DDR-2 PC5300 Ecc Reg System x3455 (7940, 7941) MemoryRAM, Memorystock Part No: 742ms-742
4Gb 4196MB 667MHz DDR2-667 PC2-5300, 240p DIMM, ECC, Registered, 1.8v, Low-profile single stick.
systems require memory in matching pairs must buy and install 2pcs. for 8gb kit please buy quantity 2pcs.(CODE MTk 19000). Compatible memory for System x3455 (7940, 7941)