Lenovo S145-15API
Type 81UT Laptop, from 2019 3 hardware reports
Memory
Up to 20 GB
2 laptop-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
SSD length and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 20 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 20 GB in two or more machines
- Firmware says
- 12 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 3 of 3 reports show this layout
See 8 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 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 Lenovo S145-15API?
Yes. 2 slots, up to 20 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo S145-15API use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo S145-15API take?
Machines in the reports run up to 20 GB. The firmware reports a maximum of 12 GB, a figure that is often wrong.
Does the Lenovo S145-15API have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 3 reports. Some firmware leaves a slot out, so there may be more.
Is this my laptop?
Check the label on the bottom. It should say S145-15API, and the type code starts with 81UT.