Server memory 8GB (2x4GB) DDR2 ECC FBD 8GB 667MHz FB DIMM 4GB 2Rx4 PC2 5300F Fully Buffered for IBM System x3450 x3500 x3550 RAM|RAMs| - AliExpress
Infineon Boosts DDR2 FB-DIMM Deployment: Designs and Manufactures All Key Components for Industry's Next-Generation Server Memory Modules; Delivers AMB-Chip to FB-DIMM Manufacturers - Infineon Technologies
Komputerbay 4GB DDR2 PC2-6400F 800MHz ECC Fully Buffered FB-DIMM (240 PIN) 4 GB w/ Heatspr - Komputer Bay