This high quality Total Micro 8GB DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1Rx8 1.2V 288-Pin DIMM module meets or exceeds OEM specs and is for the Dell OptiPlex 3060 MT, 3060 SFF, 5060 MT, 5060 SFF, 7060 MT, 7060 SFF. Lifetime limited warranty.