Amazon.com: OWC 32GB (4 x 8GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac Models : Everything Else
4GB Memory Upgrade for MacBook Pro, iMac, and Mac mini
Apple 8GB Memory Kit (2x4GB) DDR3-1600MHz PC3-12800 SODIMM for MacBook Pro at Amazon.com
MemoryMasters 16GB 2X8GB DDR3-1600 Memory for Apple MacBook Air 2012 at Amazon.com
A-Tech 16GB (2x8GB) RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
Ram Memory 8GB kit (2 x 4GB) DDR3 PC3-12800,1600MHz, 204 PIN SODIMM for laptops at Amazon.com
Ramjet 4GB DDR3-1600 PC3-12800 DDR3 1600Mhz SO-DIMM for Apple iMac (1x 4GB) at Amazon.com