16GB (2x8GB) DDR3-1600MHz PC3-12800 Non-ECC UDIMM 2Rx8 Desktop Memory Module by NEMIX RAM at Amazon.com
8GB Memory for Lenovo IdeaCentre 300-20ISH DDR4 PC4-2133MHz Non-ECC UDIMM RAM (PARTS-QUICK Brand) at Amazon.com
CMS 6GB (3x2GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 DDR3 ECC UNBUFF for Server Only - B75 at Amazon.com