Lenovo ThinkPad X1 Yoga Gen 5

Type 20UB 2-in-1 laptop, from 2020 6 hardware reports
Memory
Up to 16 GB
2 slots + soldered
Battery
51 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Partly soldered

Yes, you can add one stick. Up to 16 GB seen working.

16 GB is soldered to the board and 2 slots are free for a LPDDR3-2133 stick.

Free slots
2 memory slots
Type
LPDDR3-2133
Soldered
16 GB
Most seen working
16 GB in two or more machines
Firmware says
32 GB maximum (often wrong, so we show what machines run)
How sure
4 of 6 reports show this layout

Worked out from 6 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 slots plus soldered memory
Illustration
Battery

Batteries in these laptops report 51 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 X1 Yoga Gen 5 battery on AmazonMatch the capacity and part number to the label on your battery.

From 6 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkPad X1 Yoga Gen 5?

Yes, you can add one stick. Up to 16 GB seen working. 16 GB is soldered to the board and 2 slots are free for a LPDDR3-2133 stick.

What type of RAM does the Lenovo ThinkPad X1 Yoga Gen 5 use?

LPDDR3-2133 memory soldered to the board.

How much RAM can the Lenovo ThinkPad X1 Yoga Gen 5 take?

Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.

What battery does the Lenovo ThinkPad X1 Yoga Gen 5 use?

Batteries in these laptops report 51 Wh, going by 6 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 X1 Yoga Gen 5, and the type code starts with 20UB. Other type codes share this name: 20UC.