iMac 15,1 (Retina 5K, 27-inch i5, Mid 2015)

CPU/Chipset:

Intel Core i5 3.2 GHz

Intel Core i5 3.3 GHz

Intel Core i7 4.0 GHz

Expansion Slot:

4 Slots

Standard Memory:

8GB (2x4GB)

Maximum Memory

32GB (4x8GB)

Installation Guide:

Ram Installation

Why Upgrade Your Ram?

Benefits of Upgrading Your Ram

Note:

Any combination of 4GB, 8GB and 16GB modules can reach the configuration of up to 32GB