Lenovo ThinkStation P3 Ultra

Type 30HA Desktop, from 2023 3 hardware reports
Memory
Up to 96 GB
4 laptop-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 96 GB seen working.

It takes DDR5-4000 laptop-size sticks (SO-DIMM).

Slots
4 SO-DIMM slots
Type
DDR5-4000 262-pin SO-DIMM
Most seen working
96 GB in two or more machines; one machine runs 128 GB
Firmware says
128 GB maximum (often wrong, so we show what machines run)
How sure
3 of 3 reports show this layout
See 16 GB DDR5-4000 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 3 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

4 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkStation P3 Ultra?

Yes. 4 slots, up to 96 GB seen working. It takes DDR5-4000 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkStation P3 Ultra use?

DDR5-4000 laptop-size sticks (SO-DIMM, 262-pin).

How much RAM can the Lenovo ThinkStation P3 Ultra take?

Machines in the reports run up to 96 GB, and one runs 128 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.

Is this my desktop?

Check the label on the bottom. It should say ThinkStation P3 Ultra, and the type code starts with 30HA.