Lenovo ThinkCentre M73

Type 10B4 Desktop, from 2013 9 hardware reports
Memory
Up to 16 GB
2 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

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

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

Slots
2 DIMM slots
Type
DDR3-1333 240-pin DIMM
Most seen working
16 GB in two or more machines
Firmware says
16 GB maximum
How sure
9 of 9 reports show this layout
See 8 GB DDR3-1333 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 9 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 16 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).

How much RAM can the Lenovo ThinkCentre M73 take?

Machines in the reports run up to 16 GB. That matches the 16 GB maximum the firmware reports.

Is this my desktop?

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