The ThinkPad T450s comes with 4GB DDR3L-1600MHz RAM, but it’s also has a spare RAM slot. In my case, I will add a Kingston 8GB RAM. Here’s my new Kingston 8GB DDR3L-1600MHz RAM. Lenovo ThinkPad T450s - 14' - Core i5 5300U - 8 GB RAM - 256 GB SSD - US overview and full product specs on CNET. Removal steps of the memory module - ThinkPad T450s. About Lenovo + About Lenovo.

In this guide, I’ll be taking apart a Lenovo ThinkPad T450s in order to access and upgrade the hard drive, SSD and RAM.

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1. Removing the bottom cover

First of all, unlock and remove the battery.
Remove all screws securing the bottom cover. Pry up and remove the cover.
You can use a guitar pick or any other piece of plastic to split the case.

Under the bottom cover you can get access to the following internal components:
– Hard drive
– RAM slot
– M.2 slot
– Internal battery
– Heat sink and Cooling Fan
– Wireless card
– CMOS battery
– Speaker

2. Upgrade the RAM

The ThinkPad T450s comes with 4GB DDR3L-1600MHz RAM, but it’s also has a spare RAM slot.
In my case, I will add a Kingston 8GB RAM.

Here’s my new Kingston 8GB DDR3L-1600MHz RAM.

3. Upgrade the SSD

Here’s WWAN M.2 slot, I will install a Plextor 2242 M.2 SSD into the slot.

Lenovo T450s Ram Slots 8gb

4. Upgrade the hard drive

Lenovo T450s Ram Slots Reset

The T450s comes with HGST 500GB 7200RPM hard drive. If necessary, you can upgrade to a larger capacity hard drive, or replace it with a 2.5″ SSD.