Tag Archives: DDR4-2666

iMac 2019 Memory configuration

The 27 inch iMac for 2019 (5K, 2019) introduced DDR4 memory at the 2666 MHz speed, and an upper limit of 128 GB RAM. DDR4-2666 (PC4-21300) non ECC SODIMMs. Apple originally stated a 64 GB limit, however 32 GB modules … Continue reading

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