G.Skill F3-14900CL8D-8GBXM RipjawsX XM DDR3 RAM 8GB (2x4GB) Dual 1866Mhz CL8

Size - 8GB (2x4GB), Channel - Dual, Speed - 1866Mhz, Latency - CL8, Timing - 8-9-9-24, Voltage - 1.5V