Samsung 340XAA-350XAA-550XAA

Laptop, from 2018 42 hardware reports
Memory
Up to 20 GB
2+ laptop-size slots
Battery
43 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

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
See 8 GB DDR4-2133 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 42 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2+ laptop-size slots
Illustration
Battery

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.

Samsung 340XAA-350XAA-550XAA battery on AmazonMatch the capacity and part number to the label on your battery.

From 42 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

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.