Komputerbay 8GB (2x 4GB) DDR3 SODIMM (204 pin) 1333Mhz PC3 10600 Apple 8GB (9-9-9-25) (Accessory)
It worked two months and, suddenly, it bug and turns itself off. I had to go back to a backup. By handing over the original strips, it works again. The culprit is clearly identified. Dangerous!