Solid state and memory module purchase

My computer is the Savior of Lenovo , For the same series, it is recommended to take a look at the disassembly tutorial before buying
Because it's really violent ！！！ I am afraid that my computer will be damaged
If you're still sure you want to do it yourself , Be sure to discharge static electricity before disassembly ！！ Especially in winter
Let's go to Lenovo's official website first ： Click the jump

Enter the host number on the back of the computer ：
You will get information from your computer

Change solid state ：
Focus on the interface and protocol of your computer
Generally new computers are Nvme M.2, The old computer is SATA, Yes M.2 Select the interface M.2, At the same price SATA Double the speed

Take a look at this recommendation ： Click the jump
SATA Samsung is the best But also Very expensive 1T More than a thousand
You can choose the size , If you have money, the bigger the better , If you are too expensive, it depends on your own needs

Change the memory module ：
It is the fastest way to ask Lenovo customer service directly , How many memory cards do you have in your model , How much memory does it support Such as my Two card slots All are 8G Of You can't pretend 16G（ That is to say 8+8=16G）
The models of memory modules are backward compatible Check out the upgraded version that is compatible with your memory model
Let's say mine is 2666 Is compatible 2133|2400 Of