8GB kit, (2 x 4GB) 240-pin DIMM, DDR3 PC3-10600U,Dual Rank, Non ECC ram Memory Module by Hynix (HMT351U6CFR8C-H9) at Amazon.com
PC3-10600 DDR3 1333 8GB Kit (2x4GB) RAM PC3 10600S 1333MHZ 2Rx8 204-pin 1.5v 4GB Memory Upgrade for Laptop at Amazon.com
DDR3 RAM】 Gigastone Desktop RAM 32GB (4x8GB) DDR3 32GB DDR3-1600MHz PC3-12800 CL11 1.5V UDIMM 240 Pin Unbuffered Non ECC for PC Computer Desktop Memory Module Ram Upgrade Kit (Desktop ONLY) at Amazon.com
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
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