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

1. Thinkpad T450s Memory Upgrade

• RAM: 4GB DDR3L-1600 (PC3L-12800) soldered to the systemboard. M.2 slot with one of the following options. ThinkPad T450s Platform Specifications.
• Lenovo ThinkPad T450s - Intel Core i5-5200U ( 2.20GHz 1600MHz 3MB) 20bx001pus $467.00 Lenovo ThinkPad T450s Ultrabook - Intel Core i7-5600U (4MB Cache, up to 3.20GHz) t450sbestsap.
• How many total memory slots to install memory? The Laptop has 2 Slots (1 Upgradable) to install memory, already with 4GB (Soldered) standard memory installed. For best ThinkPad T450s Laptop performance use the maximum amount of 24GB, fill all the slots with the max allowed memory per slot for your Laptop. What is the warranty on these memory.

8GB Memory Upgrade for Lenovo ThinkPad T450s DDR3L 1600MHz PC3L-12800 SODIMM RAM (PARTS-QUICK Brand) $86.99. Customers also viewed these products.

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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.

4. Upgrade the hard drive

Thinkpad T450s Memory Upgrade

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.