A Dedicated Server is a type of internet hosting, in which the client leases a complete server, not shared with anyone else, form a Data Center company. 

Details:

• This is often additional versatile than shared hosting, as organizations have full management over the server, as well as selection of OS, hardware, etc. 
• The provider has an obligation to deal with most of the management, as well as security, memory, storage and IT support.
• In some cases a dedicated server can offer less overhead and a larger return on investment.  Dedicated servers are housed in Data Centers facilities providing redundant power sources and HVAC systems.
• In distinction to colocation, the server hardware is owned by the supplier and in some cases they're going to give support for operative systems or applications.
• Using a dedicated hosting service offers the advantages of high performance, security, email stability, and total management.