OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
DATARAM 16GB (2 x 8GB) 240-Pin DDR3 SDRAM ECC Unbuffered DDR3L 1600 (PC3L 12800) Memory RAM at Amazon.com