Lenovo ThinkStation P520

Type 30BE Desktop, from 2019 2 hardware reports
Memory
Up to 256 GB
8 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. 8 slots, up to 256 GB seen working.

It takes DDR4-2400 full-size sticks (DIMM).

Slots
8 DIMM slots
Type
DDR4-2400 288-pin DIMM
Most seen working
256 GB; one machine runs 256 GB
Firmware says
3072 GB maximum
How sure
2 of 2 reports show this layout
See 32 GB DDR4-2400 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.

8 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkStation P520?

Yes. 8 slots, up to 256 GB seen working. It takes DDR4-2400 full-size sticks (DIMM).

What type of RAM does the Lenovo ThinkStation P520 use?

DDR4-2400 full-size sticks (DIMM, 288-pin).

Is this my desktop?

Check the label on the bottom. It should say ThinkStation P520, and the type code starts with 30BE. Other type codes share this name: 30BF.

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