In this guide, you will learn how to upgrade RAM, 4G, SSD, HDD on Lenovo ThinkPad T550. I will remove the service cover and access the battery, RAM, hard drive, wireless card, heat sink and cooling fan.
Unlock and remove the battery.
Remove all the screws securing the bottom case.
When the bottom case was removed, you can get access to the internal components, including the built-in battery, hard drive, cooling, RAM, a spare ram slot, a SSD slot, a 4G slot.
This is my new NGFF SSD.
Insert NGFF SSD to the SSD slot.
Tighten up the screw.