Lenovo ThinkStation P3 Tower
Type 30GU Desktop, from 2023 2 hardware reports
Memory
Up to 64 GB
4 full-size slots
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. 4 slots, up to 64 GB seen working.
It takes DDR5-4400 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-4400 288-pin DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 2 of 2 reports show this layout
See 16 GB DDR5-4400 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.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkStation P3 Tower?
Yes. 4 slots, up to 64 GB seen working. It takes DDR5-4400 full-size sticks (DIMM).
What type of RAM does the Lenovo ThinkStation P3 Tower use?
DDR5-4400 full-size sticks (DIMM, 288-pin).
How much RAM can the Lenovo ThinkStation P3 Tower take?
Machines in the reports run up to 64 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 Tower, and the type code starts with 30GU. Other type codes share this name: 30GS.
More in the Lenovo ThinkStation
- ThinkStation P500 (30A6)
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- 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)