Dell Precision 5520
Laptop, from 2017 38 hardware reports
Memory

Up to 32 GB
2 laptop-size slots
Battery

56 Wh / 97 Wh
2 capacities fitted
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 40 GB
- Firmware says
- 32 GB maximum
- How sure
- 38 of 38 reports show this layout
See 16 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
From 38 reports of this machine in the Linux Hardware Database (CC BY 4.0). Updated 9 Nov 2026.

2 laptop-size slots
Illustration Battery
56 Wh or 97 Wh, depending on the battery fitted.
This model shipped with more than one battery. The capacity is printed on the battery itself, so check yours before you order.
From the design capacity the batteries report, in 37 reports. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Precision 5520?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Precision 5520 use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Dell Precision 5520 take?
Machines in the reports run up to 32 GB, and one runs 40 GB. That matches the 32 GB maximum the firmware reports.
What battery does the Dell Precision 5520 use?
A 56 Wh or a 97 Wh battery, going by the batteries in 37 reports.
Is this my laptop?
Check the model name on the label underneath. It should read Precision 5520.