Lenovo ThinkCentre M79

Type 10JA Desktop, from 2015 13 hardware reports
Memory
Up to 8 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 8 GB seen working.

It takes DDR3-1333 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR3-1333 240-pin DIMM
Most seen working
8 GB in two or more machines; one machine runs 12 GB
Firmware says
8 GB maximum
How sure
13 of 13 reports show this layout
See 8 GB DDR3-1333 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 13 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

4 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkCentre M79?

Yes. 4 slots, up to 8 GB seen working. It takes DDR3-1333 full-size sticks (DIMM).

What type of RAM does the Lenovo ThinkCentre M79 use?

DDR3-1333 full-size sticks (DIMM, 240-pin).

How much RAM can the Lenovo ThinkCentre M79 take?

Machines in the reports run up to 8 GB, and one runs 12 GB. That matches the 8 GB maximum the firmware reports.

Is this my desktop?

Check the label on the bottom. It should say ThinkCentre M79, and the type code starts with 10JA. Other type codes share this name: 10CT, 10CW.