Dell Precision 3581
Yes. 2 slots, up to 64 GB seen working.
It takes DDR5-4800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR5-4800 262-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 64 GB maximum
- How sure
- 12 of 12 reports show this layout
Worked out from 12 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 64 Wh or 97 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 12 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Precision 3581?
Yes. 2 slots, up to 64 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Precision 3581 use?
DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).
How much RAM can the Dell Precision 3581 take?
Machines in the reports run up to 64 GB. That matches the 64 GB maximum the firmware reports.
What battery does the Dell Precision 3581 use?
Batteries in these laptops report 64 Wh or 97 Wh, going by 12 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 3581.