A-Tech 64GB Kit (4x16GB) Memory RAM for Supermicro SYS-6037R-E1R16L - DDR3 1066MHz PC3-8500 ECC Registered RDIMM 4Rx4 1.5V - Server at Amazon.com
Black Diamond Memory-Black Diamond Memory
64GB (4x16GB) PC3-8500R 4Rx4 DDR3 ECC Reg Memory for Apple Mac Pro Mid 2010 5,1 | Being Patient
OWC 64GB (4 x 16GB) PC10600 DDR3 ECC-R 1333MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S9M064K) at Amazon.com
Kingston Technology Value RAM 64GB Kit 1600MHz DDR3 ECC CL11 DIMM DR x 4 with TS Intel Desktop Memory at Amazon.com
64GB PC3-12800L 8 Ranked DDR3 Load Reduced 1600Hz ECC Registered Memory // STI Kansas City