Kingston KHX1600C9S3P1K2 / 8G RAM Notebook HyperX Plug and Play SODIMM 8GB (2 x 4GB) 1600 MHz (Personal Computers)
Message after purchase: great product, my mac does not crash at all since I installed this ram. Nevertheless, it heats a little more. Mac book pro late in 2012, i5 and 4GB original 1600Hz 6 months, dropped to one of the bars, preventing the ignition