Samsung R19-R20-R21
Laptop, from 2007 8 hardware reports
Memory
Up to 2 GB
2+ laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. At least 2 slots, up to 2 GB seen working.
It takes the same type of laptop-size sticks (SO-DIMM).
- Slots
- At least 2 SO-DIMM slots
- Firmware lists
- 4 sockets, but no machine in the reports had more than 2 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
- Most seen working
- 2 GB in two or more machines; one machine runs 3 GB
- Firmware says
- 1 GB maximum (often wrong, so we show what machines run)
- How sure
- 8 of 8 reports show this layout
Worked out from 8 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 Samsung R19-R20-R21?
Yes. At least 2 slots, up to 2 GB seen working. It takes the same type of laptop-size sticks (SO-DIMM).
How much RAM can the Samsung R19-R20-R21 take?
Machines in the reports run up to 2 GB, and one runs 3 GB. The firmware reports a maximum of 1 GB, a figure that is often wrong.
Is this my laptop?
Check the model name on the label underneath. It should read R19-R20-R21.