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16GB ( 2x8GB ) DDR3/DDR3L 1600Mhz for iMac, Mac Mini & Macbook Pro Unbuffered Non-Parity SDRAM 204pin Low Voltage Dual Rank Module. Every module is backed by a limited lifetime warranty. We always have hundreds in stock! Compatible with computer gaming laptops: Acer, ASUS, Apple, Dell, Fujitsu, Gigabyte, HP Compaq, Intel, Lenovo, LG, MSI, NUC, Samsung, Sony, Supermicro, Toshiba laptop.
Compatible with 27″ Mid 2015 iMac w/Retina 5K display (15,1), 27″ Late 2014 iMac w/Retina 5K display (15,1), 27″ Late 2013 iMac (14,2), 21.5″ Early 2013 iMac (13,3), 27″ Late 2012 iMac (13,2) & 21.5″ (13,1), 27″ Mid 2011 iMac (12,2) & (12,1).