CT2K4G3S160BM is an 8GB kit consisting of two 4GB DDR3L (DDR3 low voltage) Notebook modules that operate at speeds up to 1600 MT/s and has a CL11 latency. It is Unbuffered and is non-ECC. It conforms to the industry standard SODIMM layout of 204-Pins and is compatible with computers that take DDR3 SODIMM memory. This is Apple specific memory, compatible with the models listed here: Mac Mini 2.3GHz Quad-Core Intel Core i7 - Late 2012 / Mac Mini 2.5GHz Dual-Core Intel Core i5 - Late 2012 / Mac Mini 2.6GHz Quad-Core Intel Core i7 - Late 2012 Mac mini (Late 2012) / Mac mini Server (Late 2012) / MacBook Pro (13-inch and 15-inch, Mid 2012) / MacBook Pro 2.3GHz Intel Core i7 (15-inch DDR3) Mid-2012 / MacBook Pro 2.5GHz Intel Core i5 (13-inch DDR3) Mid-2012 / MacBook Pro 2.6GHz Intel Core i7 (15-inch DDR3) Mid-2012 / MacBook Pro 2.7GHz Intel Core i7 (15-inch DDR3) Mid-2012 / MacBook Pro 2.9GHz Intel Core i7 (13-inch DDR3) Mid-2012 / iMac (27-inch, Late 2012 & Late 2013) / iMac (Retina 5K, 27-inch, Late 2014 & Mid 2015) / iMac 2.9GHz Quad-Core Intel Core i5 (27-inch, Late 2012) / iMac 3.2GHz Quad-Core Intel Core i5 (27-inch, Late 2012, Late 2013, Mid 2014) / iMac 3.3GHz Quad-Core Intel Core i5 (27-inch, Mid 2015) / iMac 3.4GHz Quad-Core Intel Core i5 (27-inch, Late 2013 & Mid 2014) / iMac 3.4GHz Quad-Core Intel Core i7 (27-inch, Late 2012) / iMac 3.5GHz Quad-Core Intel Core i7 (27-inch, Late 2013, Mid 2014 & Late 2014) / iMac 3.5GHz Quad-Core Intel Core i5 (27-inch, Mid 2015) / iMac 4.0GHz Quad-Core Intel Core i7 (27-inch, Late 2014) / iMac 4.0GHz Quad-Core Intel Core i5 (27-inch, Mid 2015). When in doubt please check for compatibility on {url removed}’s memory selector tools.