In this guide, you will learn how to upgrade RAM, SSD, HDD on Lenovo ThinkPad E531, I will remove the service cover and access the ram, hard drive, wireless card, heat sink and cooling fan.
Remove four screws securing the service cover.
Lenovo ThinkPad E531 using PGA package processor (replaceable). It is provides two memory slots, a 2.5-inch hard drive, and most importantly, it provides a new standard NGFF SSD slot.
You can install a new generation SSD, significantly increasing system speed.
The new standard NGFF SSD slot
RAM: come with one 4GB ram (on board), you can add another 4GB ram.
RAM Type: DDR3 1600MHz.
HDD: come with one 500GB, you can upgrade to 1TB.
SSD: support, new standard NGFF SSD slot.
Second HDD: support, remove the dvd drive.