G.Skill FA-1333C9Q-16GSQ For Apple Series SO-DIMM DDR3 RAM G.Skill 16GB (4x4GB) Quad 1333Mhz CL9 1.5V

Brand - G.Skill, Size - 16GB (4x4GB), Channel - Quad, Speed - 1333Mhz, Latency - CL9, Voltage - 1.5V, Timing - 9-9-9