Samsung QX311-QX411-QX412-QX511
Only one machine has reported its memory so far, so this answer rests on a single example. Check the label or open the panel before you buy.
Yes. At least 2 slots, up to 8 GB seen working.
It takes DDR3-1333 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
- DDR3-1333 204-pin SO-DIMM
- Most seen working
- 8 GB in the one machine reported
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 1 of 1 report show this layout
Worked out from 1 hardware report of this laptop. Sources and method. Updated 10 Nov 2026.
It takes a SATA SSD.
None of the 7 machines in the reports runs an NVMe drive, and they have a SATA controller, so the drive is SATA. Laptops with SATA drives take either a 2.5-inch drive or, in thin models, a small mSATA or M.2 SATA card. Check the drive you have before you order.
- Drive type
- SATA
- NVMe
- Not seen in 7 machines
From 7 PCI device reports. Sources and method. Updated 10 Nov 2026.
Illustration Match the label on your battery.
Laptops this old mostly run replacement packs by now, so the capacity in the reports isn't the maker's. The capacity (Wh) and the part number are printed on the battery itself. A replacement should match that part number.
- Capacity
- On the battery's label
How to read a battery label. Sources and method. Updated 10 Nov 2026.
Illustration Match the label on your charger.
We don't have this model's charger rating yet. The label on your charger shows it: the output line gives volts and amps, and volts times amps is the watts (19.5 V at 3.33 A is 65 W). Buy one with the same plug, the same voltage and at least as many watts.
- Rated output
- On your charger's label
How to read a charger label. Sources and method. Updated 10 Nov 2026.
Illustration Questions
Can I upgrade the RAM in the Samsung QX311-QX411-QX412-QX511?
Yes. At least 2 slots, up to 8 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).
What type of RAM does the Samsung QX311-QX411-QX412-QX511 use?
DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Samsung QX311-QX411-QX412-QX511 take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
What SSD does the Samsung QX311-QX411-QX412-QX511 take?
It takes a SATA SSD. None of the 7 machines in the reports runs an NVMe drive, and they have a SATA controller, so the drive is SATA. Laptops with SATA drives take either a 2.5-inch drive or, in thin models, a small mSATA or M.2 SATA card. Check the drive you have before you order.
Is this my laptop?
Check the model name on the label underneath. It should read QX311-QX411-QX412-QX511.