Lenovo ThinkPad X13 Gen 1

Type 20UF Laptop, from 2020 14 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
Battery
48 Wh
Reported by the batteries
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 32 GB seen working.

It takes DDR4-3200 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR4-3200 260-pin SO-DIMM
Most seen working
32 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
14 of 14 reports show this layout
See 16 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 14 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

Batteries in these laptops report 48 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.

Lenovo ThinkPad X13 Gen 1 battery on AmazonMatch the capacity and part number to the label on your battery.

From 14 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkPad X13 Gen 1?

Yes. 2 slots, up to 32 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkPad X13 Gen 1 use?

DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Lenovo ThinkPad X13 Gen 1 take?

Machines in the reports run up to 32 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Does the Lenovo ThinkPad X13 Gen 1 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 14 reports. Some firmware leaves a slot out, so there may be more.

What battery does the Lenovo ThinkPad X13 Gen 1 use?

Batteries in these laptops report 48 Wh, going by 14 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 X13 Gen 1, and the type code starts with 20UF. Other type codes share this name: 20UG, 20T2, 20T3.