Apple Mac mini (2018)

Model identifier Macmini8,1 Mini PC, from 2018 49 hardware reports
Memory
Up to 64 GB
2 laptop-size slots
Upgradable

Yes. 2 slots, up to 64 GB seen working.

It takes DDR4-2666 laptop-size sticks (SO-DIMM). The slots sit inside the case, so fitting memory means opening it up. Apple lists it as a service upgrade.

Slots
2 SO-DIMM slots
Type
DDR4-2666 260-pin SO-DIMM
Most seen working
64 GB in two or more machines
Firmware says
32 GB maximum (often wrong, so we show what machines run)
How sure
36 of 36 reports show this layout
See 32 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 36 hardware reports of this desktop, with Apple's memory specifications for which Macs have sockets. Sources and method. Updated 10 Nov 2026.

2 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Apple Mac mini (2018)?

Yes. 2 slots, up to 64 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM). The slots sit inside the case, so fitting memory means opening it up. Apple lists it as a service upgrade.

What type of RAM does the Apple Mac mini (2018) use?

DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Apple Mac mini (2018) take?

Machines in the reports run up to 64 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.

Is this my desktop?

On the Mac, choose Apple menu > About This Mac > System Report. The Model Identifier should read Macmini8,1.

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