CMS 16GB (4X4GB) DDR3 8500 1066MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple Imac 'Core I7' 2.8 27-Inch (Late 2009) - A33

Computer Memory Solutions guarantees compatibility with models provided in description. Memory Type: SODIMM, 204-Pin Speed: DDR3-8500, 1066 MHz 4 Piece Kit Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions