FB-DIMM Memory Module Manufacturers and Description, Advanced Memory Buffer, AMB Interface
32GB Kit (8x4GB) DDR2 Fully Buffered PC2-6400 800MHz (DDR2-800) FB-DIMM Memory for 2008 Apple Mac Pro (Apple P/N MB194G/A x4) at Amazon.com
File:FB-DIMM riser A.jpg - Wikimedia Commons
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