A-Tech 32GB KIT (4 x 8GB) for Intel SR Series SR1630GP, SR1630GPRX, SR1630HGP, SR1630HG. DIMM DDR3 ECC Registered PC3-12800 1600MHz Dual Rank Server RAM Memory at Amazon.com
32GB (4x8GB) DDR3-1600MHz PC3-12800 Non-ECC UDIMM 2Rx8 Desktop Memory Module by NEMIX RAM 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
32GB (2x16GB) DDR3-1600MHz PC3-12800 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Kingston Technology 32GB (1 X 32GB) 1066MHz DDR3 240-Pin Quad Rank Registered ECC Low Voltage DIMM for IBM Servers (PC3 8500) KTM-SX310QLV/32G at Amazon.com