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
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Neo Forza Plug-n-Play 8GB DDR3L 1600 (PC3 12800) 204-Pin Dual Voltage 1.35V & 1.5V SODIMM Laptop Memory NMSO380D81-1600DA10 - Newegg.com