Hynix 1GB DDR2 800MHz (PC2-6400) ECC Mac Pro Memory (2Rx8)
Global Memory 8GB (2 x 4GB) DDR3 800/1066/1333/1600/1866MHz 240-PIN ECC DIMM (UDIMM) Memory Ram Kit for Servers/Workstations/Motherboards at Amazon.com
Samsung Original 8GB, 240-pin DIMM, DDR3 PC3-12800, Desktop Memory Module at Amazon.com
8GB (2 x 4GB) DDR3 800MHz PC3-6400 240-PIN ECC DIMM (UDIMM) Memory RAM KIT for Servers/WORKSTATIONS/MOTHERBOARDS at Amazon.com