Lot of 5 Samsung PC3-12800 4GB UDIMM 1600 MHz DDR3 SDRAM Memory M378B5173DB0-CK0 | eBay
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Samsung Original 8GB, 240-pin DIMM, DDR3 PC3-12800, Desktop Memory Module
8GB (2 X 4GB) DDR3 1600MHz PC3-12800 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM