A dedicated server is that type of server where its resources are not shared and are completely exclusive to its user. It offers benefits such as higher performance, greater access control, enhanced security, and so on. Physical access to dedicated servers is not available.
Whereas, Co-location means that you keep your own physical server at a facility of the Co-location provider. Here the provider takes care of the entire physical server colocated at the Data Center including uninterrupted power supply, internet connection, safety, infrastructure facilities, and physical access to the DC.
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