Preparing for additional memory

The specifications of memory that can be added to iMac (Retina 5K, 27-inch, 2017) are as follows.

PC4-2400 (19200) Unbuffered Nonparity 260-pin 2400MHz DDR4 SDRAM

Install memory in an iMac

Here, iRam’s memory 32GB (16GB x 2) was prepared.

Check memory capacity

Your Mac has four memory slots. Each slot can hold a 2400 MHz DDR4 memory module. 2 used memory slots, 2 empty slots

Adding memory