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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
Kingston ValueRAM 16GB Kit (2x8GB) 240-Pin DDR3 SDRAM ECC Registered DDR3 1333 Server Memory Model (KVR1333D3D4R9SK2/16G) at Amazon.com
DDR3 RAM】 Gigastone Desktop RAM 16GB (2x8GB) DDR3 16GB DDR3-1600MHz PC3-12800 CL11 1.5V 240 Pin Unbuffered Non ECC UDIMM for PC Computer Desktop Memory Module (Desktop ONLY) at Amazon.com