Kingston Technology 32GB Kit of 4 (4 x 8GB) DDR3 1600MHz PC3-12800 ECC DIMM Memory for Select HP/Compaq Desktops KTH-PL316EK4/32G at Amazon.com
Kingston 16GB DDR4 SDRAM Memory Module at Amazon.com
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com