Apple Mac mini Server (Mid 2011)

Model identifier Macmini5,3 Mini PC, from 2011 8 hardware reports

Memory

Up to 16 GB

2 laptop-size slots

Upgradable

Yes. 2 slots, up to 16 GB seen working.

It takes DDR3-1333 laptop-size sticks (SO-DIMM).

Slots: 2 SO-DIMM slots
Type: DDR3-1333 204-pin SO-DIMM
Most seen working: 16 GB in two or more machines
Firmware says: 8 GB maximum (often wrong, so we show what machines run)
How sure: 3 of 3 reports show this layout

See 8 GB DDR3-1333 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 3 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 Server (Mid 2011)?

Yes. 2 slots, up to 16 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).

What type of RAM does the Apple Mac mini Server (Mid 2011) use?

DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).

How much RAM can the Apple Mac mini Server (Mid 2011) take?

Machines in the reports run up to 16 GB. The firmware reports a maximum of 8 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 Macmini5,3.