This Total Micro 16GB 2666MHz DDR4 PC4-21300 1.2V Non-ECC Unbuffered 2Rx8 288-Pin DIMM module meets or exceeds OEM specs - For Dell OptiPlex 3070 (MT, SFF), 3080 (MT, SFF), 5070 (MT, SFF), 7070 (MT, SFF). Lifetime limited warranty. Eqv SNPTP9W1C/16G