Samsung 550XDA


Yes. 2 slots, up to 24 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 24 GB in two or more machines; one machine runs 32 GB
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 31 of 31 reports show this layout
Worked out from 31 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 43 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 31 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Samsung 550XDA?
Yes. 2 slots, up to 24 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM).
What type of RAM does the Samsung 550XDA use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Samsung 550XDA take?
Machines in the reports run up to 24 GB, and one runs 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
What battery does the Samsung 550XDA use?
Batteries in these laptops report 43 Wh, going by 31 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 550XDA.