Amazon.com: Crucial 8GB Kit (4GBx2) DDR3/DDR3L 1600 MT/s (PC3-12800) SODIMM 204-Pin Memory For Mac - CT2K4G3S160BM : Everything Else
Hynix original 16GB (2 x 8GB), 204-pin SODIMM, DDR3 PC3L-12800, 1600MHz memory module at Amazon.com
Silicon Power Hynix IC Compatible for Apple DDR3 DDR3L 16GB (2 x 8GB) RAM 1600MHz (PC3 12800) 204 pin CL11 1.35V Non ECC Unbuffered SODIMM Laptop Notebook Memory RAM Module Upgrade at Amazon.com