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
CORSAIR ValueSelect 16GB (2PK x 8GB) 1333MHz DDR3 C9 So-DIMM Laptop Memory Multi CMSO16GX3M2A1333C9 - Best Buy