Timetec Hynix IC 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 for Early/Mid/Late 2011, Mid/Late 2012, Early/Late 2013, Late 2014, Late 2015 MacBook Pro, iMac, Mac Mini (8GB KIT(2x4GB)) - Walmart.com
Dell 8GB DDR3L-1600 PC3L-12800 204Pin Sodimm Low Voltage RAM Memory Upgrade P/N SNPN2M64C/8G at Amazon.com