32GB Kit (8x4GB) DDR2 Fully Buffered PC2-5300 667MHz FBDIMM Memory RAM for 2006, 2007 Apple Mac Pro at Amazon.com
SUPERMICRO X7DGT-iNF-B 5000X/ESB2 DUAL LGA771 1333FSB FB-DIMM BULK MAX RAM 32GB DDR2-667 ECC FB-DIMM W/ 1 x PCIEx8 / 1 x INFINIBAND/ SATA RAID/ 2 x GIGABIT LAN/ USB2.0/ VIDEO SERVER BOARD
For Hynix 4X 4GB 2RX4 CL5 DDR2 667MHZ PC2-5300F ECC FB-DIMM Server Memory RAM #5 | eBay