Kingston KHX16C9B1RK2 / 8X HyperX Red 8GB RAM (1600MHz, CL9, 2x 4GB) DDR3 RAM kit (Personal Computers)
Apparently my ASRock 970 Extreme3 R2.0 motherboard very picky when it comes to RAM. This Kingston product but I had no problems. From me personally, therefore, a clear recommendation!