G.Skill F3-10666CL7Q-16GBXH RipjawsX XH DDR3 RAM 16GB (4x4GB) Quad 1333Mhz CL7

Size - 16GB (4x4GB), Channel - Quad, Speed - 1333Mhz, Latency - CL7, Timing - 7-7-7-21, Voltage - 1.5V