Samsung 340XAA-350XAA-550XAA


Yes. At least 2 slots, up to 20 GB seen working.
It takes DDR4-2133 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.
- Type
- DDR4-2133 260-pin SO-DIMM
- Most seen working
- 20 GB in two or more machines
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 42 of 42 reports show this layout
Worked out from 42 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 42 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Samsung 340XAA-350XAA-550XAA?
Yes. At least 2 slots, up to 20 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the Samsung 340XAA-350XAA-550XAA use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Samsung 340XAA-350XAA-550XAA take?
Machines in the reports run up to 20 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
What battery does the Samsung 340XAA-350XAA-550XAA use?
Batteries in these laptops report 43 Wh, going by 42 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 340XAA-350XAA-550XAA.