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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Lenovo ThinkPad T450s - 14' - Core i5 5300U - 8 GB RAM - 256 GB SSD - US Specs & Prices Lenovo ThinkPad T450s - 14' - Core i5 5300U - 8 GB RAM - 256 GB SSD - US 20BX001AUS. Board index Post-Classic Lenovo Hardware ThinkPad T430-T490 / T530-T590 Series T450s - Display, NGFF SSD, Smart Card Reader, and m.2 SSD slots T430 and later, plus T530 and later series specific matters only. In-depth review of the Lenovo ThinkPad T450s-20BWS03F00 (Intel Core i7 5600U, Intel HD Graphics 5500, 14.0', 1.6 kg) with many measurements, benchmarks, and evaluations.

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

Thinkpad T450s Ram Upgrade

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

4. Upgrade the hard drive

Thinkpad T450s Ram Slot

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.