Lenovo Legion S7 15ACH6
Type 82K8 Laptop, from 2021 25 hardware reports
Memory

Up to 40 GB
1 laptop-size slot + soldered
SSD

1+ M.2
At least 1 M.2 SSD slot
SSD length and charger
Coming next
Checked from separate sources
Partly soldered
Yes, you can add one stick. Up to 40 GB seen working.
8 or 16 GB is soldered to the board and one slot is free for a DDR4-3200 laptop-size stick.
- Free slots
- 1 SO-DIMM slot
- Type
- DDR4-3200 260-pin SO-DIMM
- Soldered
- 8 GB or 16 GB, depending on the configuration
- Most seen working
- 40 GB in two or more machines; one machine runs 48 GB
- Firmware says
- 64 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
- 25 of 25 reports show this layout
See 32 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 25 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

1 laptop-size slot plus soldered memory
Illustration Questions
Can I upgrade the RAM in the Lenovo Legion S7 15ACH6?
Yes, you can add one stick. Up to 40 GB seen working. 8 or 16 GB is soldered to the board and one slot is free for a DDR4-3200 laptop-size stick.
What type of RAM does the Lenovo Legion S7 15ACH6 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo Legion S7 15ACH6 take?
Machines in the reports run up to 40 GB, and one runs 48 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the Lenovo Legion S7 15ACH6 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 25 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 Legion S7 15ACH6, and the type code starts with 82K8.