Lenovo ThinkPad W550s SSD, RAM, 4G, HDD Upgrade Guide

In this guide, you will learn how to upgrade RAM, 4G, SSD, HDD on Lenovo ThinkPad W550s, I will remove the service cover and access the battery, RAM, hard drive, wireless card, heat sink and cooling fan.

Once the bottom case was removed, you can get access to the battery, RAM, hard drive, wireless card, speaker, heat sink and cooling fan.
My Lenovo ThinkPad W550s comes with Seagate 500GB 7200RPM hard drive, 8GB DDR3L 1600MHz RAM.

From this picture, you can find the ThinkPad W550s has a spare mSATA slot for upgrade SSD. It’s also has a 4G slot for add 4G card.
The Lenovo ThinkPad W550s installed one 8GB DDR3L 1600MHz RAM, it’s have two RAM slots, so another 8GB RAM can be installed.

Lenovo ThinkPad W550s have two batteries. This is external battery, 10.8v, 4400mah.

This is the internal battery, 11.25v, 44wh, Lenovo FRU: 45N1741, 45N1740.

Images source: pcpop.com

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