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Kingston Technology 16GB DDR4 2133MHz Reg ECC Workstation Memory for Select HP Compaq KTH-PL421/16G at Amazon.com
Lenovo 8GB DDR4 2133Mhz ECC SoDIMM Memory at Amazon.com
8GB (1x8GB) DDR4-2133MHz PC4-17000 2Rx8 1.2V SODIMM Laptop Memory by NEMIX RAM at Amazon.com