A hard disk or solid-state people use drive is a permanent storage of data that is stor on the server;
A network card is a device that provides a server connection to the network;
The power supply unit is a device that supplies the server with an electric current;
The enclosure is a protective shell that houses all server components.

Servers come in different people use types and purposes

depending on what tasks they perform. For example:

A web server is a server that stores and gives away web pages and other resources related to a website or online store;
A game server is a server that coordinates the interaction of many players in an online game;
A video server is a server that phone number library stores and broadcasts video over the network;
LAN server – a server that unites several computers into one network and provides them with shared access to resources such as files, printers, scanners, etc.;

mail server – a server that people use processes and delivers e-mail

FTP server is a server that allows you to upload and download files over the FTP protocol!
DNS server is a server that improve your seo with a silo structure translates domain names into IP addresses and vice versa!
VPN server is a server that creates a secure connection between remote computers over a network!
A proxy server is a server that acts as an intermediary between a client and another server! filtering or modifying traffic.

Servers have many advantages for users, both private and corporate. Here are some of them:
Servers provide high speed and be numbers performance. Servers have powerful processors, a large amount of RAM and fast drives that allow you to process large amounts of data with minimal delays and losses.