Amazon.com: OWC 128GB (4 x 32GB) PC10600 DDR3 ECC-R 1333MHz DIMMs Memory Compatible with Mac Pro Late 2013 Models (OWC1333D3Z3M128) : Everything Else
192GB (12 x 16GB) DDR3 PC3-10600 1333MHz ECC RDIMM Server RAM
Samsung 32GB PC3-10600 DDR3-1333MHz ECC Registered DIMM Rank4 OEM Server Memory M386B4G70BM0-YH900 - Star Micro Inc
CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with IBM® System X3500 M2 7839 Ddr3-Pc1333 Ecc Reg for Server Only - B37 at Amazon.com
ATP 2GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin Memory - AL5 – Mega Micro Devices Inc.
Kingston ValueRAM 16GB 1333MHz DDR3 PC3-10666 ECC Reg CL9 DIMM DR x4 Server Memory KVR13R9D4/16 at Amazon.com
CMS 24GB (6X4GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Poweredge T710 Ddr3 Ecc Reg for Server Only at Amazon.com