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
Memory RAM DDR3 DDR4 4GB 1600MHz 8GB 16GB 3200MHz 32GB For Laptop Notebook Lot | eBay
ADATA Premier Series - DDR3 - 16 GB: 2 x 8 GB - SO-DIMM 204-pin - 1333 MHz / PC3-10600 - CL9 - 1.5 V - unbuffered - non-ECC - Walmart.com