OWC 2.0GB DDR3 ECC PC10600 1333MHz DIMM Memory Upgrade Module Compatible with Mac Pro 2009-2012 at Amazon.com
Kingston Technology ValueRAM 8GB 1333MHz DDR3 ECC CL9 DIMM for Server & Workstation 8 (PC3 10600) KVR1333D3E9S/8G at Amazon.com
CMS 12GB (3x4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Compatible with HP/Compaq Workstation Z600 B3 Series DDR3 ECC for Server Only - B81 at Amazon.com
256278363686 4GB DDR3 PC310600R-9 1333MHz 240pin ECC Buffered HP 500203-061NOT FOR DESKTOPS
Amazon.com: 64GB (8x8GB) DDR3 ECC-R PC10600 1333MHz SDRAM ECC for Mac Pro 'Nehalem' & 'Westmere' models