CMS 2GB (1X2GB) DDR3 10600 1333MHZ NON ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Pro 3500, Business Pro 3505 Micro - A80 - Walmart.com
A-Tech 8GB Module for Dell OptiPlex 3060 Micro Form Factor MFF Desktop PC Compatible DDR4 2400Mhz Memory Ram (ATMS283814A25827X1) at Amazon.com
parts-quick 8GB Memory for Dell OptiPlex 3070 Micro DDR4 2666MHz SODIMM RAM at Amazon.com