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
Kingston ValueRAM - DDR3 - kit - 16 GB: 2 x 8 GB - SO-DIMM 204-pin - 1600 M - KVR16S11K2/16 - Server Memory - CDW.com
4gb ddr3-sdram pc3-8500 1066mhz 2rx8 1.5v cl7 204-pin so-dimm 4 gb memory ram for apple or pc laptops - Walmart.com