OWC 12GB (8GB+4GB) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Upgrade Kit Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S12S) at Amazon.com
KVR16R11S4K3/12I Kingston 4GB DDR3 Server Memory
Patriot 12GB DDR3 1600 MHz DIMM Signature Line Memory Kit (3 x
OWC 12GB (8GB+4GB) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Upgrade Kit Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S12S) at Amazon.com
Patriot 12GB DDR3 1600 MHz DIMM Signature Line Memory Kit (3 x