Kingston Technology ValueRAM 8GB 1333MHz DDR3 ECC CL9 DIMM for Server & Workstation 8 (PC3 10600) KVR1333D3E9S/8G at Amazon.com
A-Tech 16GB (2 x 8GB) DDR3 1600 MHz PC3-12800R ECC RDIMM 2Rx4 1.5V ECC Registered DIMM 240-Pin Server & Workstation RAM Memory Upgrade Kit at Amazon.com
Crucial 16GB Kit (8GBx2) DDR3/DDR3L 1600 MT/s (PC3-12800) DR x8 ECC UDIMM 240-Pin Memory - CT2KIT102472BD160B at Amazon.com
8GB 1066MHZ DDR3 Ecc Reg CL7 D at Amazon.com
8GB DDR3 SDRAM Memory Module at Amazon.com
Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 Unbuffered ECC UDIMM 240-Pin Server Memory CT102472BA160B at Amazon.com
Amazon.com: OWC 16GB (2 x 8GB) PC8500 DDR3 ECC-R 1066MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S8M16GK) : Everything Else
Crucial 8GB Single DDR3 1600 MT/s (PC3-12800) CL11 Unbuffered ECC UDIMM 240-Pin Server Memory CT102472BA160B at Amazon.com
OWC 24GB (3 x 8GB) PC8500 DDR3 ECC 1066MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve (OWC85MP3W8M24K) at Amazon.com
Timetec Hynix IC 16GB Kit(2x8GB) DDR3L 1600MHz PC3-12800 Unbuffered ECC 1.35V CL11 2Rx8 Dual Rank 240 Pin UDIMM Server Memory Ram Module Upgrade (16GB Kit(2x8GB)) at Amazon.com
16GB KIT (2 x 8GB) for SuperMicro X8 Series SIL-V (ECC Unbuffered). DIMM DDR3 ECC Unbuffered PC3-10600E 1333MHz Dual Rank Server Ram Memory. Genuine A-Tech Brand. at Amazon.com