MICRON MT18JSF51272PDZ-1G4D1DD PC3-10600R DDR3 1333 4GB ECC REG 2RX8 (for Server ONLY) at Amazon.com
32GB KIT (4 x 8GB) for Dell Precision Workstation Series T3600 (ECC Registered). DIMM DDR3 ECC Registered PC3-10600R 1333MHz Single Rank Server Ram Memory. Genuine A-Tech Brand. at Amazon.com
HEWLETT PACKARD HP 4GB 1RX4 PC3-10600R-9 KIT at Amazon.com
MICRON MT36JSZF1G72PZ-1G4D1AD PC3-10600R DDR3 1333 8GB ECC REG 2RX4 (for Server ONLY) at Amazon.com
Samsung M393B1K70CH0-YH9 8GB PC3L-10600R DDR3-1333 ECC Registered 2RX4 Server Memory at Amazon.com
Hynix HMT151R7BFR4C-H9 4GB 2RX4 PC3-10600R Used at Amazon.com
parts-quick 16GB DDR3 Memory for Dell PowerEdge R320 PC3-10600 ECC Registered Low Voltage DIMM 240 pin 1333MHz RAM at Amazon.com
HYNIX HMT31GR7BFR4A-H9 8GB PC3L-10600R Registered MEM at Amazon.com