Lenovo ThinkPad X1 Yoga 1st
Yes. One slot, up to 8 GB seen working.
It takes LPDDR3-1866 laptop-size sticks (SO-DIMM).
- Slots
- 1 SO-DIMM slot
- Type
- LPDDR3-1866 SO-DIMM
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 20 GB maximum (often wrong, so we show what machines run)
- How sure
- 16 of 16 reports show this layout
Worked out from 16 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 52 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 16 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad X1 Yoga 1st?
Yes. One slot, up to 8 GB seen working. It takes LPDDR3-1866 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad X1 Yoga 1st use?
LPDDR3-1866 laptop-size sticks (SO-DIMM).
How much RAM can the Lenovo ThinkPad X1 Yoga 1st take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 20 GB, a figure that is often wrong.
What battery does the Lenovo ThinkPad X1 Yoga 1st use?
Batteries in these laptops report 52 Wh, going by 16 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 1st, and the type code starts with 20FR. Other type codes share this name: 20FQ.