Dell Inspiron 15-3565

Laptop, from 2018 7 hardware reports
Memory
Up to 4 GB
2 laptop-size slots
Battery
41 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 4 GB seen working.

It takes DDR4-1866 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR4-1866 260-pin SO-DIMM
Most seen working
4 GB in two or more machines; one machine runs 16 GB
Firmware says
4 GB maximum
How sure
7 of 7 reports show this layout
See 8 GB DDR4-1866 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 7 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

Batteries in these laptops report 41 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.

Dell Inspiron 15-3565 battery on AmazonMatch the capacity and part number to the label on your battery.

From 6 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Dell Inspiron 15-3565?

Yes. 2 slots, up to 4 GB seen working. It takes DDR4-1866 laptop-size sticks (SO-DIMM).

What type of RAM does the Dell Inspiron 15-3565 use?

DDR4-1866 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Dell Inspiron 15-3565 take?

Machines in the reports run up to 4 GB, and one runs 16 GB. That matches the 4 GB maximum the firmware reports.

What battery does the Dell Inspiron 15-3565 use?

Batteries in these laptops report 41 Wh, going by 6 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 Inspiron 15-3565.