Ram memory 8GB=2*4GB DDR3 1066 [1] strong stock [2] 3 month warranty Features: Technical ... X 64 Non-ECC 1600MHz 240-pin Unbuffered DIMM (SDRAM-DDR3, 1.65V, CL9, FBGA, Gold) Size - 4GB x 2 pieces ... revise and improve, thank you for your understanding. HyperX Computer Ram memory 8GB=2*4GB DDR3 1066