Dell Precision 7550
Yes. 4 slots, up to 64 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines; one machine runs 96 GB
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 33 of 33 reports show this layout
From 33 reports of this machine in the Linux Hardware Database (CC BY 4.0). Updated 9 Nov 2026.
68 Wh or 95 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 33 reports. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Precision 7550?
Yes. 4 slots, up to 64 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Precision 7550 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Dell Precision 7550 take?
Machines in the reports run up to 64 GB, and one runs 96 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
What battery does the Dell Precision 7550 use?
A 68 Wh or a 95 Wh battery, going by the batteries in 33 reports.
Is this my laptop?
Check the model name on the label underneath. It should read Precision 7550.