Lenovo ThinkPad T400 6474WPU
Laptop, from 2009 4 hardware reports
Memory
Up to 4 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Depends on the configuration
It depends on the configuration.
The reports show more than one memory layout for this laptop. Check the label or the system information before you buy.
- Slots
- 2 SO-DIMM slots
- Type
- DDR3-1066 204-pin SO-DIMM
- Most seen working
- 4 GB; one machine runs 4 GB
- Firmware says
- 4 GB maximum
- How sure
- 2 of 4 reports show this layout
See 8 GB DDR3-1066 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 4 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkPad T400 6474WPU?
It depends on the configuration: the reports show more than one memory layout for this laptop.
What type of RAM does the Lenovo ThinkPad T400 6474WPU use?
DDR3-1066 laptop-size sticks (SO-DIMM, 204-pin).
Is this my laptop?
Check the model name on the label underneath. It should read ThinkPad T400 6474WPU.