Lenovo ThinkCentre M73

Type 10B1 Desktop, from 2015 2 hardware reports

Drives and power

Coming next

Checked from separate sources

Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.

Upgradable

Yes. 2 slots, up to 8 GB seen working.

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

Slots: 2 DIMM slots
Type: DDR3-1333 240-pin DIMM
Most seen working: 8 GB; one machine runs 8 GB
Firmware says: 16 GB maximum
How sure: 2 of 2 reports show this layout

See 4 GB DDR3-1333 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 2 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

2 full-size slots

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkCentre M73?

Yes. 2 slots, up to 8 GB seen working. It takes DDR3-1333 full-size sticks (DIMM).

What type of RAM does the Lenovo ThinkCentre M73 use?

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

Is this my desktop?

Check the label on the bottom. It should say ThinkCentre M73, and the type code starts with 10B1. Other type codes share this name: 10AX, 10AY, 10B4, 10B0, 10B6, 10B7.