9965516-115.A00LF Kingston 16GB DDR3 Server Memory
Samsung 16GB DDR3-1600 ECC Registered Server Memory M393B2G70QH0-CK0 at Amazon.com
HP 713985-B21 16GB DDR3 1600MHz Server Memory
HP 16GB PC3-12800 DDR3-1600 2Rx4 1.5v ECC Registered RDIMM (HP PN# 672612-081) at Amazon.com
OWC 32GB (2 x 16GB) PC10600 DDR3 ECC-R 1333MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S9M032K) at Amazon.com
Crucial Technology 16GB DDR3-1866 / PC3 14900 RDIMM ECC Server Memory RAM (CT16G3ERSDD4186D) at Amazon.com
V7 16GB DDR3 PC3-12800 - 1600mhz 1.35V SERVER ECC REG Server Memory Module - V71280016GBR
OWC 32GB (2 x 16GB) PC10600 DDR3 ECC-R 1333MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S9M032K) at Amazon.com