G.Skill F3-14900CL9D-8GBXL RipjawsX XL DDR3 RAM 8GB (2x4GB) Dual 1866Mhz CL9

Size - 8GB (2x4GB), Channel - Dual, Speed - 1866Mhz, Latency - CL9, Timing - 9-10-9-28, Voltage - 1.5V