Silicon Power DDR4 RAM 16GB (8GBx2) Turbine 3200MHz (PC4 25600) 288-pin CL16 1.35V UDIMM Desktop Memory Module (SP016GXLZU320BDA) 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
16GB (2x8GB) DDR3-1600MHz PC3-12800 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Adamanta 16GB (2x8GB) Laptop Memory Upgrade DDR3/DDR3L 1600Mhz PC3L-12800 SODIMM 2Rx8 CL11 1.35v Notebook RAM DRAM at Amazon.com
Crucial RAM 16GB Kit (2x8GB) DDR3 1600 MHz CL11 Memory for Mac CT2K8G3S160BM
G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com