Corsair Apple Certified 16GB (2x8GB) DDR3 1333 MHz (PC3 10666) Laptop Memory

Compatibility-MacBook/MacBook Pro-Early-2011, Late-2011, Mid-2012( without Retina display). iMac-Mid-2011, Late-2012, Early-2013, Late-2013, Late-2014
Density: 16GB (2x8GB SO-DIMM). No fan included
Speed: 1333MHz CL9. Type : 204-Pin DDR3 SO-DIMM
Timing: 9-9-9-24 (1333MHz)
Pin Out: 204 Pin
Voltage: 1.5V