HDD SSD
You will not be able to host your project on the server if there is no memory there. In order for your project to be able to produce its indicators at full capacity, you will need a large volume. Imagine that you have an online store. In order for you to be able to save the entire customer base, you will need at least 1 TB HDD, and it is best if you have an SSD in a bundle. SSD will be responsible for the speed of information processing, and at this time HDD will be the storage of all information.
For example
Seagate Exos 16TB Enterprise
Toshiba 16TB Enterprise
Cooling
There are two types of cooling job function email database you will need to install coolers to cool the processor and server. This type of cooling is very noisy, but it works fine.
Power supply and UPS
To operate the server on a permanent basis, you will need a constant power supply. As a rule, the lights are not turned off unexpectedly in houses, but it is better to be safe and buy an uninterruptible power supply. It is the UPS that will allow you to save data in the event of a power outage, and also not worry about a voltage drop.
Body
Naturally, the server will need a housing that will allow you to fit everything you need there. This housing should have a good air supply, and also be small so that it is easy to place it at home.
Cables and other things were not included in this list, because it goes without saying that they must be available.