A-Tech for Apple 32GB Kit 4X 8GB DDR3 PC3-14900 1866MHz CL13 1.35v SODIMMs 27" Late 2015 iMac MK462LL/A A1419 MK482LL/A Memory RAM Upgrade 32GB Kit 4x 8GB (4 x 8GB) SO-DIMM DDR3 NON-ECC PC3-14900 1866MHz 1.35v RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For iMac Models: MK462LL/A MK482LL/A A1419 iMac17,1 Late 2015