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Colocation lets a business put its own servers and other IT equipment in a third-party data center, using the facility’s power, cooling, physical security, and network infrastructure. It can spare a company from building and running its own data-center facility, but it does not automatically transfer responsibility for the equipment or the systems running on it.
What colocation services include
In a colocation arrangement, the customer generally owns and controls its physical hardware while the provider operates the data-center environment around it. Depending on the agreement, the provider supplies space in a rack or other facility area, power, cooling, physical access controls, and network connectivity. The exact package varies by site and contract; confirm what is included rather than assuming every facility offers the same services. Equinix’s overview of colocation describes the facility model, while Data Center Knowledge’s January 2026 explanation distinguishes facility operations from customer infrastructure responsibilities.
What the provider typically operates
- The building and data-center environment, including facility power and cooling.
- Physical access controls and the facility’s procedures for maintenance and incidents.
- Connectivity options available at that particular site, subject to its network and service offerings.
What the customer typically operates
- Servers, storage, and network equipment, including installation and maintenance unless separately contracted.
- Operating systems, applications, configuration, monitoring, and routine administration.
- Backups, disaster recovery, and decisions about who can access systems and when.
Providers may sell remote-hands support or managed services, but those are not safe to assume as part of a basic colocation fee. Establish who performs each task, what response times apply, and whether support is charged separately.
Why businesses use colocation
Colocation can give a company access to purpose-built facility infrastructure without requiring it to build and operate a private data center. That can be useful when the business wants to retain its hardware, needs a specific physical environment, or wants to place systems in a facility with relevant network connections. Whether it is a better fit than another approach depends on workload needs, location, capacity, connectivity, staffing, and contract terms.
#1 Best Overall
- 【Powerful Load-bearing】12U Network Rack Open Frame is constructed from durable cold rolled steel; Rack shelf supports enhance stability, wall-mounted capacity of 130lbs, the ground-mounted up to 260lbs
- 【Considerate Designs】Open-frame layout, including a top panel adding space, anti-slip shelf stops fixing devices and compatible racks for stack and expansion to meet requirements of home server rack
- 【Complete Accessories】A 12U open frame server rack, two ventilated shelves, four shelf stops, four velcro straps and a set of equipment mounting screws
- 【Versatile Application】Ideal for space-efficient multi-device setups in warehouses, retail, classrooms, offices and more; Excellent choices as AV Rack/IT Rack
- 【Effortless Setup】 Network Rack includes hardware, a comprehensive manual, mounting hole drilling template and an online assembly video to simplify setup
Facility infrastructure without a dedicated building
A company can avoid taking on the full facility-building and facility-operations burden while continuing to run its own servers. It still needs a plan and resources for hardware lifecycle, network configuration, system administration, monitoring, and recovery. Colocation shifts part of the operating model; it does not eliminate IT operations.
Potentially useful network location
A facility may offer access to multiple carriers, cloud connections, or network paths closer to users or business partners. Those options can support hybrid IT and help a company choose where to place workloads, but availability and performance depend on the specific facility and services purchased. Check actual carrier, cloud-on-ramp, and cross-connect options instead of treating connectivity as a universal feature. In CoreSite’s 2025 survey, 19% of respondents said their colocation provider offered interconnection services, a finding that underscores why buyers should verify this capability directly. CoreSite’s May 2025 report release says its commissioned Foundry research surveyed 300 CIOs, CTOs, and other IT decision-makers and interviewed seven senior technology executives.
Rank #2
- Save valuable floor space: 6U wall mount server cabinet Dimensions: 13.78" H x21.65" W x17.72" D.Maximum mounting depth is 14.2"
- Keep critical network equipment secure: glass door and side panels are lockable to prevent unauthorized access. Front door can be installed on either side of the front of the cabinet to satisfy your door swing orientation preference
- Easy equipment configuration: Fully adjustable mounting rails and numbered U positions, with square holes for easy equipment mounting with top and bottom punch-out panels for easy cable access
- Durability: Made of high quality cold rolled steel holds up to 110lb (50kg) (Easy Assembly Required)
- PCI & HIPPA and EIA/ECA-310-E compliant
Choice within a hybrid environment
Colocation and cloud are not mutually exclusive. A business can keep selected workloads on customer-owned hardware in a data center while using public-cloud services for other needs. CoreSite’s 2025 survey found that 98% of respondents were implementing or planning a blend of public and private cloud, on-premises, and colocation services. That is a finding from the survey sample, not a universal adoption rate. CoreSite’s release attributes the report to commissioned research by Foundry.
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| Approach | What the customer typically provides or controls | What the provider typically supplies | Key distinction |
|---|---|---|---|
| Colocation | Customer-owned physical equipment and responsibility for operating its systems, unless additional services are contracted. | Facility space and supporting infrastructure such as power, cooling, physical security, and available connectivity. | The customer keeps its hardware and substantial operational responsibility. |
| Public cloud | Workloads and their configuration, with responsibilities depending on the cloud service used. | Rented infrastructure and a cloud service and billing model. | The customer consumes provider-supplied infrastructure rather than housing its own physical servers in a colocation facility. |
| Managed hosting | Requirements and responsibilities defined by the service agreement. | Hosting plus some degree of operational management, depending on the contracted scope. | “Managed” does not define a single universal service bundle; verify the provider’s exact duties. |
AWS’s data-center overview explains the distinction between physical data centers and cloud services. In practice, compare the responsibility boundary and billing model for the specific services under consideration. Some organizations combine on-premises equipment, colocation, and cloud when different workloads call for different placement or operating arrangements.
Rank #3
- Save valuable floor space: 12U wall mount server cabinet Dimensions: 24.25" H x21.65" W x17.72" D. MAXIMUM MOUNTING DEPTH is 14.2".
- Keep critical network equipment secure: glass door and side panels are lockable to prevent unauthorized access; Front door can be installed on either side of the front of the cabinet to satisfy your door swing orientation preference
- Easy equipment configuration: Fully adjustable mounting rails and numbered U positions, with square holes for easy equipment mounting with top and bottom punchout panels for easy cable access
- Durability: Made of high quality cold rolled steel holds up to 110lb (50kg) (Easy Assembly Required)
- PCI & HIPPA and EIA/ECA-310-E compliant
What colocation does not guarantee
Buying space in a data center does not, by itself, guarantee uptime, security, lower costs, regulatory compliance, or recovery from an outage. These outcomes depend on facility design and performance, the contract and its remedies, customer architecture and operations, and the specific requirements that apply to the business.
- Availability: Review the SLA, exclusions, incident communications, maintenance rules, and remedies. An SLA is a contractual commitment with defined terms, not a promise that no interruption can occur.
- Security: Assess physical controls and independently verifiable evidence relevant to the workload. The customer remains responsible for its own systems and access practices.
- Compliance: Confirm the certifications and evidence relevant to the customer’s obligations. A facility’s controls do not by themselves make the customer compliant.
- Cost: Compare the full expected charges, not only the recurring space fee. Setup, changes, power, cooling capacity, and connectivity may affect total cost.
- Resilience: Determine how the customer’s own equipment, networks, backups, and recovery plans address failures at the facility or elsewhere.
How to assess whether colocation fits
Colocation is worth considering when a business wants to retain control of physical infrastructure but does not want to operate its own dedicated data-center facility. It may be less suitable when the organization lacks staff or partners to maintain hardware and systems, or when it expects the provider to manage workloads without buying a clearly defined managed service.
Rank #4
- ADJUSTABLE DEPTH: 4-Post 42U open frame server rack with 4 vertical rails and adjustable mounting depth 22" to 40" (56,0cm to 101,7cm); Compatible with various servers / switches / data / AV and other IT equipment; EIA/ECA-310-E Compliant
- EASY ASSEMBLY: Mobile network rack with easy-to-follow assembly instructions and online video; Compact flat-pack shipping to avoid damage and facilitate installation; Total product height of 80.3in (204 cm) with casters, 78in (198cm) without casters
- COLD ROLLED STEEL: Durable 4 Post 19in open frame rack designed for ventilation with 42U mounting height and 1320lb (600kg) weight capacity (stationary); 3 install options included: casters, levelling feet, or base-plate to secure rack to the floor
- HARDWARE INCLUDED: Rolling computer/data rack includes cage nuts and screws to mount equipment, easy to read Units (U) and depth adjustment markings, cable management hooks for organization, and required assembly tools
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this 42U rack is backed for 2-years, including free lifetime 24/5 multi-lingual technical assistance
- Hardware ownership: Does the business have a reason to operate its own physical equipment rather than rent cloud infrastructure?
- Operational capability: Who will install, patch, monitor, troubleshoot, replace, and recover the systems?
- Workload location: Does the proposed site make sense for users, carriers, cloud services, latency requirements, and the organization’s recovery design?
- Capacity: Can the facility support the required rack space, power density, cooling, and expected growth?
- Economics: Does the complete contract cost make sense against the alternatives, including internal staff, equipment, connectivity, and future changes?
CoreSite senior vice president of operations Anthony Hatzenbuehler said in May 2025: “To have a truly successful hybrid IT environment, one that creates a secure and low-latency competitive edge, companies need seamless integration and connectivity across applications and services.” This is a provider executive’s perspective; buyers should assess their own architecture and verify the capabilities of any facility they consider. CoreSite’s report release attributes the statement to Hatzenbuehler.
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Compare facilities against the organization’s technical and contractual requirements. TechTarget’s provider-selection guide highlights power density, floor space, carrier options, location, compliance evidence, security, services, and SLA and contract flexibility; its examples of rack power capacity are contextual, not universal current limits. Read TechTarget’s colocation selection guide.
Best Value
- 【Powerful load-bearing】 Constructed from durable Cold Rolled Steel, Rack Shelf Back Support enhances stability, wall-mounted capacity of 130lbs, the ground-mounted up to 260lbs
- 【Considerate Designs】Open-frame layout, including a top panel adding space, Anti-Slip Shelf Stops fixing devices and compatible racks for stack and expansion to meet requirements of home server rack
- 【Complete Accessories】A 16U open frame server rack, two ventilated shelves, four shelf stops, four velcro straps and a set of equipment mounting screws
- 【Versatile Application】Ideal for space-efficient multi-device setups in warehouses, retail, classrooms, offices and more; Excellent choices as AV Rack/IT Rack
- 【Effortless Setup】 Network Rack includes hardware, a comprehensive manual, mounting hole drilling template and an online assembly video to simplify setup
Location and connectivity
- Distance and network path to users, business sites, carriers, cloud on-ramps, and other facilities relevant to the design.
- Which carriers and connectivity services are available at the site, and what installation, cross-connect, and recurring charges apply.
- Expected latency and routing for the actual workloads, validated with an appropriate network assessment rather than inferred from a map alone.
Power and cooling
- Available power per rack and the facility’s redundancy design.
- Density limits, cooling approach, and any charges or conditions for higher loads.
- How power use is measured and billed, and how additional capacity can be requested.
Resilience, access, and support
- Facility maintenance schedules, incident communications, and procedures for service interruptions.
- Site access rules, authorization processes, and how emergency access is handled.
- Whether remote hands are available, what tasks are included, how requests are prioritized, and what response times and charges apply.
Security and compliance evidence
- Physical security measures and the documentation or independent certifications relevant to the buyer’s requirements.
- Which controls are the provider’s responsibility and which remain the customer’s, including system, account, and data controls.
- Whether the provider can supply current evidence for the precise facility and services being contracted.
Commercial terms and responsibilities
- Recurring fees plus setup, equipment changes, power, cooling, connectivity, and support charges.
- Contract term, expansion and reduction options, renewal provisions, SLA definitions, remedies, and exclusions.
- A written responsibility matrix for hardware ownership and maintenance, networks, software, monitoring, backups, and recovery.
How to read industry adoption figures
Survey figures can provide context, but they are not a substitute for evaluating a particular facility. The 98% and 19% figures above come from CoreSite’s 2025 commissioned Foundry survey of 300 IT decision-makers, alongside interviews with seven senior technology executives. Separately, Uptime Institute reported that 61% of surveyed colocation providers hosted hyperscale tenants in its 2024 global data center survey. That describes surveyed providers; it does not measure the share of facilities, capacity, or customers that are hyperscale. Uptime Institute Global Data Center Survey 2024.
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