OWC1333D3ECC8GB 8GB OWC DDR3 1333MHz ECC Memory Module for Mac Pro 8-core and Quad-core Xeon systems
32GB 2X 16GB Memory for HP Workstation Z800 DDR3 PC3-10600 1333MHz ECC RDIMM RAM | eBay
CMS 24GB (3X8GB) DDR3 10600 1333MHZ ECC REGISTERED DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 Ddr3 Ecc Reg For Server Only - B105 - Newegg.com
Samsung 8GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin DIMM Dua – Mega Micro Devices Inc.
8GB DDR3 1333MHZ Ecc Ram Memory PC3L-10600R 1.35V 2RX4 REG Ecc RAM for Server Workstation - AliExpress
A-Tech 8GB Kit (2X 4GB) DDR3 1333MHz PC3-10600E 2Rx8 240-pin ECC-Unbuffered DIMM for HP Workstation Z200 and Z400 – Server Memory Ram Modules at Amazon.com
32GB (1x32GB) DDR3-1333MHz PC3-10600 ECC LRDIMM 4Rx4 1.35V Load Reduced Server Memory by NEMIX RAM at Amazon.com
OWC 32.0GB (4X 8GB) DDR3 ECC-R PC10600 1333MHz SDRAM ECC Compatible with Mac Pro (OWC1333D3X8M32K) at Amazon.com