MSI Stealth GS66 12UGS
Laptop, from 2021 9 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR5-4800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR5-4800 262-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 9 of 9 reports show this layout
See 16 GB DDR5-4800 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 9 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 MSI Stealth GS66 12UGS?
Yes. 2 slots, up to 32 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).
What type of RAM does the MSI Stealth GS66 12UGS use?
DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).
How much RAM can the MSI Stealth GS66 12UGS take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Is this my laptop?
Check the model name on the label underneath. It should read Stealth GS66 12UGS.