What is colocation hosting?
Colocation hosting (colo) means you own your own server hardware but house it in a professional data center facility. The data center provides the physical space, power, cooling, internet connectivity, and physical security. You own and manage the server itself, including all hardware and software.
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Colocation is used by businesses and organizations that need the control and customization of owning their own hardware but want to take advantage of professional data center infrastructure. Running servers in a professional facility gives far better power reliability, cooling, physical security, and internet connectivity than a typical office environment.
The cost model for colocation involves a monthly fee for rack space (usually measured in 'rack units' or full racks), power consumption, and bandwidth. You buy the server hardware outright and pay for its housing in the facility. For organizations that already own servers or have specific hardware requirements, colocation can be more cost-effective than leasing equivalent dedicated servers.
Colocation gives you maximum control over your hardware configuration. You can install custom network cards, GPU accelerators, specialized storage arrays, or any other hardware. This level of customization is not available from hosted dedicated server providers who maintain their own hardware fleets.
The main downside of colocation is that you are responsible for hardware maintenance and replacement. When a component fails, you (or a hardware maintenance contractor) must go to the data center to replace it, or arrange for the data center's remote hands service to do so. This operational overhead suits organizations with dedicated IT staff rather than small teams.
Common questions
Who should use colocation hosting?
Colocation suits businesses with significant hardware investment, specific hardware requirements, technical staff to manage servers, and the scale to justify the fixed costs. It is common in enterprise, financial services, and organizations with on-premises hardware moving to a professionally managed facility.
Is colocation cheaper than dedicated hosting?
At sufficient scale, yes. Owning hardware that you host in a colo facility costs less per unit of compute than leasing equivalent dedicated servers from a hosting provider over a multi-year period. At small scale, renting dedicated servers is usually simpler and comparably priced.
What is the difference between colocation and managed hosting?
With colocation, you own the hardware and manage it yourself. With managed hosting, the provider owns the hardware and manages it. Colocation gives more control; managed hosting requires less operational overhead.