Kingston KHX1600C9D3K2 / 8G RAM DDR3 1600 CL9 KVR HyperX 8GB Kit2 (Personal Computers)
Kingston has a reputation for doing a good job, and I am not disappointed! superb design 2X4 GB in dual channel corresponds perfectly to the expectations. all times be careful to check the frequency of the ram, the base frequency is 1333 MHz to 1600