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Amazon.com: Silicon Power 16GB (2 x 8GB) DDR3L RAM 1600MHz (PC3 12800) SODIMM Memory Module
Kingston 8GB 204-Pin DDR3 SO-DIMM System Specific Memory - Newegg.com
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 (16GB kit (2 x 8GB)) at Amazon.com
Nanya PC3 SODIMM 2GB Singlr Memory NT2GC64B88G0NS-CG Rx8 DDR3 Non ECC PC | eBay