G.Skill F3-12800CL7D-8GBXM RipjawsX XM DDR3 RAM 8GB (2x4GB) Dual 1600Mhz CL7

Size - 8GB (2x4GB), Channel - Dual, Speed - 1600Mhz, Latency - CL7, Timing - 7-8-8-24, Voltage - 1.5V