Colocation hosting means renting space in someone else's data center for your own server

Colocation is when you own a physical server but pay a data center company to house it, power it, cool it, and connect it to the internet. You keep full control of the machine itself — what software runs on it, how it's configured, who can access it. The data center handles the building, the electricity, the security, the backup power systems, and the network connections. Think of it like owning a car but parking it in a garage that handles maintenance of the lot, the lights, and the driveway — you still own and drive the car.

This is different from cloud hosting (where you rent a virtual machine that the provider manages) and different from managed hosting (where the provider manages your server for you). With colocation, you are responsible for the server's software, updates, and day-to-day operation. The data center is responsible for keeping the building running and your server powered and connected.

Colocation makes sense for businesses that have outgrown shared hosting or cloud services, need to keep sensitive hardware on-site but want professional infrastructure, or already own servers and want to move them to a facility with better power and network reliability than they can build themselves.

Key Takeaways

  • You own and manage the server; the data center provides the physical space, power, cooling, and internet connection.
  • Colocation costs vary by data center location, server size, and power draw, but typically run from a few hundred to several thousand dollars per month.
  • You can bring your own server or buy one and have it shipped to the data center, and you remain responsible for all software, security patches, and troubleshooting.
  • Data centers offer redundant power, climate control, physical security, and multiple internet connections — things most businesses cannot build themselves.
  • You need remote access tools (like a KVM switch or out-of-band management) to troubleshoot your server when you cannot visit in person.

What you own versus what the data center provides

When you sign a colocation contract, the line between your responsibility and the data center's is clear. You own the server hardware — the physical box, the hard drives, the network cards. You own everything that runs on it: the operating system, the databases, the applications, the security software. If your server gets hacked, if a hard drive fails, if your process crashes, that is your problem to fix.

The data center owns and operates the building, the power infrastructure, the cooling systems, the network equipment, and the physical security. They provide you with a rack or cabinet (a metal frame where your server sits), electricity to plug into, network cables to connect to their internet pipes, and climate control to keep your server from overheating. They monitor the building's temperature and power, respond to physical security breaches, and maintain the network hardware that connects your server to the internet.

Most colocation contracts specify what the data center will and will not do if something goes wrong. They typically may provide that power and network connectivity will be available a certain percentage of the time — often 99.9% or 99.99% uptime. They do not may provide that your server will stay running; if your server crashes, that is on you. They do may provide that the power and network will be there when your server tries to use them.

How much colocation costs and what affects the price

Colocation pricing depends on several factors: the data center's location, how much physical space your server takes up, how much electricity it draws, and how much network bandwidth you use. A single server in a standard rack might cost $300 to $800 per month at a mid-range data center in a major city. A high-end facility in a tier-1 location (like Northern Virginia or Silicon Valley) might charge $1,000 to $3,000 per month for the same space. Smaller regional data centers may charge less.

Most data centers charge a base monthly fee for the rack space and power, then add charges for bandwidth (the amount of data flowing in and out of your server). Some include a certain amount of bandwidth in the base price — say, 10 Mbps or 100 Mbps — and charge extra if you exceed it. Others charge per gigabyte of data transferred. A few offer "unmetered" bandwidth for a flat fee, meaning you pay one price regardless of how much data flows through.

Setup fees are common and can range from $100 to $500. Some data centers charge for hands-on support — if you need someone to physically restart your server or swap a cable, they might charge $50 to $150 per incident. Before signing, ask what is included in the monthly fee and what costs extra.

Bringing your server to a data center or buying one there

You have two paths: bring a server you already own, or buy one and have it delivered to the data center. If you own a server, you can ship it to the facility yourself or have the data center arrange shipping. You will need to provide the server's specifications (dimensions, weight, power requirements) so they can confirm it fits in their racks and that they have enough power capacity for it. Most data centers charge a one-time fee to receive and install your hardware, usually $100 to $300.

If you do not own a server, you can buy one from a hardware vendor and have it shipped directly to the data center's receiving dock. The data center will unbox it, install it in a rack, and connect it to power and network. Alternatively, some data centers have partnerships with hardware vendors and can order a server for you, which simplifies the process but may cost more.

Before shipping anything, confirm with the data center that they will accept your hardware. Some facilities have restrictions on server models, power supplies, or cooling requirements. Ask about their receiving hours, whether they charge for receiving, and how long it takes them to install and power on a new server after it arrives.

Remote access and managing your server from afar

Since your server is in a building you do not own, you need a way to manage it without being there in person. Most servers come with a remote management card — a small circuit board that lets you access the server's BIOS (the low-level software that runs before the operating system starts) and restart it remotely. Common brands include iLO (on HP servers), iDRAC (on Dell servers), and IPMI (a standard that many manufacturers support).

The data center will connect this management card to their network and give you login credentials. You can then access your server from anywhere using a web browser or a remote desktop tool, even if the operating system is not running. This lets you restart a crashed server, change BIOS settings, or watch the boot process without calling someone at the data center to do it for you.

Some data centers also offer a KVM switch (keyboard, video, mouse) — a shared device that lets you plug a monitor, keyboard, and mouse into a central console and switch between servers. If you need hands-on access, you can visit the data center in person during business hours and use the KVM to control your server as if you were sitting in front of it.

Security, redundancy, and what a data center provides that you cannot build yourself

A professional data center has infrastructure that most businesses cannot replicate on their own. Redundant power is the most critical: data centers have multiple connections to the electrical grid, backup generators, and uninterruptible power supplies (UPS) that keep servers running for minutes to hours if the main power fails. They have climate control systems that maintain a constant temperature and humidity, preventing hardware from overheating or suffering condensation damage. They have fire suppression systems, surveillance cameras, badge access controls, and security staff.

Network redundancy is another key benefit. Data centers connect to multiple internet service providers, so if one connection fails, traffic automatically reroutes through another. They also have redundant network switches and routers inside the facility. If you ran your own server in an office or small server room, a single power outage, internet outage, or equipment failure could take your server offline for hours.

Physical security matters too. A data center is a locked facility with restricted access, surveillance, and logging of who enters and when. Your server is safer from theft, tampering, or accidental damage than it would be in an office closet or a small on-site server room.

When colocation makes sense and when it does not

Colocation is a good fit if you have outgrown cloud hosting and need more control, if you have specific hardware requirements that cloud providers do not offer, or if you already own servers and want to move them to a professional facility. It is also useful if you need to keep sensitive data on hardware you control, or if you have applications that require very low latency (fast response times) and you want to place your server close to your users.

Colocation is not a good fit if you are just starting out and do not have the informed to manage a server yourself. It is also not ideal if you need someone else to handle software updates, security patches, and troubleshooting — for that, you would want managed hosting or a cloud provider. Colocation requires you to be responsible for the server's operating system and applications, which means you need either in-house IT staff or a managed services provider to help you.

Cost-wise, colocation is usually more expensive than cloud hosting for small workloads but cheaper for large, stable workloads that run for years. If you have a single process that needs to run 24/7 and you do not expect to scale it up or down frequently, colocation may be the better value.

Frequently Asked Questions

Can I visit my server at the data center?

Most data centers allow visits during business hours, but you usually need to schedule in advance and may need to be escorted. Some facilities have restricted access areas where only authorized personnel can go. Ask about their visitor policy before signing a contract.

What happens if my server breaks down?

You are responsible for fixing it. The data center will keep the power and network running, but if your hard drive fails or your operating system crashes, you need to either fix it remotely using your management card or have someone visit the facility to repair it. Some data centers offer hands-on support for an extra fee.

Can I move my server to a different data center later?

Yes, but it requires downtime. You will need to shut down your server, have it shipped to the new facility, and have it installed and powered on there. The process typically takes a few days. Most colocation contracts have a notice period (often 30 days) before you can cancel.

Do I need a static IP address?

Yes, in most cases. Your server needs a permanent IP address so that clients and users can reach it consistently. The data center will assign you one or more static IPs as part of your service. Make sure to ask how many IPs are included and what the cost is if you need more.

What if the data center loses power or has a network outage?

The data center's contract typically guarantees a certain uptime percentage (like 99.9%), which means they are responsible for maintaining power and network. If they fail to meet that may provide, your contract may allow you to receive a credit on your bill. However, you are not compensated for the revenue or data you lose — that is why redundancy and backup strategies are important.