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.
More in the Lenovo ThinkStation
- ThinkStation P500 (30A6)
- ThinkStation P620 (30E0)
- ThinkStation D20 4158AF8
- ThinkStation P520 (30BF)
- ThinkStation P330 Tiny (30CE)
- ThinkStation P340 Tiny (30DF)
- ThinkStation E32 (30A0)
- ThinkStation P310 (30AT)
- ThinkStation P340 (30DH)
- ThinkStation P510 (30B4)
- ThinkStation C20 4263BA7
- ThinkStation P3 Tower (30GS)