Dell Precision 7550
Yes. 4 slots, up to 64 GB seen working.
It takes DDR4-2933 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR4-2933 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
Worked out from 33 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 68 Wh or 95 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 33 battery readings. Sources and method. 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 DDR4-2933 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Precision 7550 use?
DDR4-2933 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?
Batteries in these laptops report 68 Wh or 95 Wh, going by 33 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the model name on the label underneath. It should read Precision 7550.