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
SAMSUNG 8GB DDR3 SO-DIMM Memory Module at Amazon.com
parts-quick 8GB DDR3 Memory for Lenovo Essential G580 Notebook PC3-12800S 204 pin 1600MHz SODIMM Compatible RAM Brand at Amazon.com
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
Samsung ram Memory 16GB kit (2 x 8GB) DDR3 PC3L-12800,1600MHz, 204 PIN SODIMM for laptops at Amazon.com
Apple 8GB Memory Kit (2x4GB) DDR3-1600MHz PC3-12800 SODIMM for MacBook Pro at Amazon.com