Lenovo ThinkPad T495s



Check before you buy.
Every machine in the reports has exactly 16 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.
- Slots listed
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines
- 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
- 13 of 13 reports show this layout
Worked out from 13 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 57 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.
From 13 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad T495s?
Check before you buy. Every machine in the reports has exactly 16 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.
What type of RAM does the Lenovo ThinkPad T495s use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkPad T495s take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the Lenovo ThinkPad T495s have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 13 reports. Some firmware leaves a slot out, so there may be more.
What battery does the Lenovo ThinkPad T495s use?
Batteries in these laptops report 57 Wh, going by 13 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the label on the bottom. It should say ThinkPad T495s, and the type code starts with 20QJ. Other type codes share this name: 20QK.