OWC 8GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Module Upgrade Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S8GB) at Amazon.com
16GB DDR3L Low Voltage 1600 MHz (PC3-12800) CL11 SODIMM - Notebook RAM | Dell USA
Corsair Memory — 8GB DDR3L SODIMM Memory
Crucial 8GB DDR3L 1600MHz PC3L-12800 SODIMM Memory for iMac Mac mini Macbook Pro | eBay