Mushkin Enhanced 16GB (2 x 8GB) iRam DDR3L PC3L-12800 1600MHz Memory for Apple Brand Mushkin Enhanced, Series iRam, Model MAR3S160BM8G28X2 Type 204-Pin DDR3 SO-DIMM, Compatibility For Apple Notebook, Capacity 16GB (2 x 8GB), Speed DDR3L 1600 (PC3L 12800), Cas Latency 11, Voltage 1.35V,