2GB FULLY BUFFERED (FB-DIMM) DDR2 PC2-5300 667MHz ECC Memory 240-pin Fully Buffered ECC Dual-In-Line DDR2 SDRAM Module 4 BANKS, SSTL(1.8V), 64MS/ 8K (7.8US) 256Mx72 PC2-5300 DDR2 667MHz This module may be manufactured by Samsung Hynix Micron Elpida Qimonda Infineon Nanya or Aeneon.This module is in stock and can ship with in 2 Days.