Dell Inspiron 1521
Laptop, from 2007 3 hardware reports
Memory
Up to 4 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 4 GB seen working.
It takes DDR-667 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR-667 SO-DIMM
- Most seen working
- 4 GB; one machine runs 4 GB
- Firmware says
- 4 GB maximum
- How sure
- 3 of 3 reports show this layout
See 8 GB DDR-667 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Dell Inspiron 1521?
Yes. 2 slots, up to 4 GB seen working. It takes DDR-667 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Inspiron 1521 use?
DDR-667 laptop-size sticks (SO-DIMM).
Is this my laptop?
Check the model name on the label underneath. It should read Inspiron 1521.