Lenovo ThinkPad L450


Yes. 2 slots, up to 12 GB seen working.
It takes DDR3-1600 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR3-1600 204-pin SO-DIMM
- Most seen working
- 12 GB in two or more machines; one machine runs 16 GB
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 11 of 11 reports show this layout
Worked out from 11 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 23 Wh or 48 Wh or 71 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 11 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad L450?
Yes. 2 slots, up to 12 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad L450 use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Lenovo ThinkPad L450 take?
Machines in the reports run up to 12 GB, and one runs 16 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
What battery does the Lenovo ThinkPad L450 use?
Batteries in these laptops report 23 Wh or 48 Wh or 71 Wh, going by 11 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 L450, and the type code starts with 20DS. Other type codes share this name: 20DT.