Is it worth saving money on servers. I am offered an inexpensive option, but drives on hdd. But the cost difference is literally half. Is it worth it to buy such servers?

This is not a good option. But if you don't have money, this option will work for you, too. Nowadays such hosting is not popular.

We have the money, but no experience in buying and renting such hosts. That's why I have this question. Here I wanted to ask more knowledgeable people.

I don't think this is a good option, as you will have a lower read and write speed, which can slow down your website a lot. It is best to buy an SSD VPS server https://www.hostzealot.com/vps/ssd-vps-vds Even though they will cost more, your users will have fast access to your website. There won't be any difficulty uploading files to the server or website. Everything will be many times faster.

What kind of servers to buy is an interesting post and there are a lot of people are searching for the best solutions. When I used the dissertation help services I saw a lot of people are searching for the best results that are good and provide us what we want.