Samsung M471B1G73EB0-YK0 8GB DDR3 1600MHZ PC3L-12800 SODIMM 2Rx8 Replacement Memory Upgrade by NEMIX RAM at Amazon.com
Samsung 16GB (2 x 8GB) 204-pin SODIMM, DDR3 PC3L-12800, 1600MHz ram memory module for laptops (M471B1G73EB0-YK0 x 2) System Specific Memory - Newegg.com