32GB Kit (2 x 16GB) DDR4-2933 PC4-23400 Non-ECC Unbuffered Desktop Memory by NEMIX RAM at Amazon.com
32GB Kit 2x16GB DDR4-3200 PC4-25600 ECC 2Rx8 Unbuffered Server Memory by NEMIX RAM at Amazon.com
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell OptiPlex 760 (Desktop Mini-Tower and Small Form Factor) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com