G.Skill F3-1866C9Q-32GXM RipjawsX XM DDR3 RAM 32GB (4x8GB) Quad 1866Mhz CL9

Size - 32GB (4x8GB), Channel - Quad, Speed - 1866Mhz, Latency - CL9, Timing - 9-10-9-28, Voltage - 1.5V