Sony VGN-FS115ZR

Laptop, from 2005 2 hardware reports
Memory
Up to 2 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources

Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.

Upgradable

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

It takes DDR-200 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR-200 SO-DIMM
Most seen working
2 GB; one machine runs 2 GB
How sure
2 of 2 reports show this layout
See 8 GB DDR-200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 2 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 Sony VGN-FS115ZR?

Yes. 2 slots, up to 2 GB seen working. It takes DDR-200 laptop-size sticks (SO-DIMM).

What type of RAM does the Sony VGN-FS115ZR use?

DDR-200 laptop-size sticks (SO-DIMM).

Is this my laptop?

Check the model name on the label underneath. It should read VGN-FS115ZR.