Lenovo IdeaPad 100-14IBY

Type 80MH Laptop, from 2015 17 hardware reports
Memory
Up to 8 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 8 GB seen working.

It takes DDR3-1333 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR3-1333 204-pin SO-DIMM
Most seen working
8 GB in two or more machines
Firmware says
8 GB maximum
How sure
17 of 17 reports show this layout
See 4 GB DDR3-1333 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 17 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 IdeaPad 100-14IBY?

Yes. 2 slots, up to 8 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo IdeaPad 100-14IBY use?

DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).

How much RAM can the Lenovo IdeaPad 100-14IBY take?

Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.

Is this my laptop?

Check the label on the bottom. It should say IdeaPad 100-14IBY, and the type code starts with 80MH.