2 Samsung Planet First Memory Ram Board 1GB Each 1Rx8 PC3-8500S-07-10-ZZZ | eBay
Samsung ram Memory Upgrade DDR3 PC3 12800, 1600MHz, 204 PIN, SODIMM for 2012 Apple MacBook Pro's, 2012 iMac's, and 2011/2012 Mac Mini's (8GB kit (2 x 4GB)) at Amazon.com
Samsung original 8GB (1 x 8GB) 204-pin SODIMM, DDR3 PC3L-12800, 1600MHz ram memory module for laptops Desktop Memory - Newegg.com