Tony Stratton, driver of strategic growth in cloud innovation across the Asia-Pacific region
Colocation is renting secure physical space, power, and cooling from a third party while retaining total ownership of your hardware.
Organisations often treat server room maintenance as an unavoidable core competency. The traditional approach demands heavy capital expenditure on commercial real estate, redundant uninterruptible power supplies, precision cooling, and physical security guards. When a local facility experiences a localized power surge or cooling failure, internal IT teams are forced into emergency response mode, draining time and resources away from strategic engineering.
Colocation shifts the burden of physical infrastructure management to specialized operators. By housing your proprietary servers, storage arrays, and networking gear within an enterprise-grade facility, you gain enterprise-level environmental controls and physical security without building a data centre from scratch. Leveraging professional colocation services allows you to own the compute while the provider guarantees the environment. You own the compute; the provider guarantees the environment.
What should I consider when choosing a colocation data centre for my business needs?
Evaluate baseline facility resilience, scalable power density, carrier-neutral network connectivity, physical security standards, and predictable long-term operational costs.
Selecting a facility requires looking past marketing brochures and examining the foundational architecture. Power density is a primary concern: modern high-performance hardware and dense virtualization clusters demand higher kilowatt capacities per rack than legacy infrastructure. Ensure the facility can support your thermal and electrical growth without forcing expensive retrofits.
Security and compliance are equally critical. Look for multi-factor access controls, biometric scanners, 24/7 on-site surveillance, and recognized compliance certifications (such as ISO 27001 or SOC reports) depending on your regulatory obligations. Additionally, carrier-neutral connectivity ensures you are not locked into a single telecommunications provider, allowing you to establish direct cross-connects with your preferred cloud on-ramps and network carriers.
How are colocation services priced and what financial structures should organisations expect?
Colocation pricing services are structured around dedicated rack space, metered or tiered power consumption, and network cross-connect fees.
Unlike public cloud billing that scales dynamically with software usage, colocation costs operate on a predictable step-function model. Financial commitments typically comprise a baseline monthly fee for cabinet units, fractional rack footprints, or private cages, paired with power consumption billed by the kilowatt or amp. When evaluating modern infrastructure providers, additional recurring or one-off line items include initial setup fees, remote hands support packages, and carrier cross-connects. Because your organisation purchases the underlying hardware upfront, capital expenditure is cleanly decoupled from your ongoing facility operational expenses, delivering reliable long-term budget predictability for stable workloads.
How do colocation solutions compare to cloud computing for enterprise workloads?
Colocation provides dedicated physical control and predictable costs for stable workloads, whereas cloud offers instant elasticity for variable workloads.
The choice between traditional cloud platforms and enterprise colocation solutions hinges entirely on workload predictability and architectural requirements. Public cloud environments abstract physical hardware away from your team, offering rapid scalability and consumption-based billing that suits dynamic, unpredictable applications. However, long-term costs can escalate unexpectedly due to data egress fees and resource bloat. Colocation preserves direct ownership and physical control over your server and storage stacks, eliminating compute penalties and heavy transfer surcharges. For stable, resource-intensive, or compliance-bound workloads, colocation consistently delivers a lower total cost of ownership over a standard multi-year amortization cycle.
What are the key factors to compare when selecting a data centre for colocation?
Compare power utilisation efficiency metrics, physical access controls, subsea cable interconnection options, and expansion flexibility for future rack footprints.
Beyond basic floor space, operational efficiency dictates your long-term total cost of ownership. Review the facility’s Power Usage Effectiveness (PUE) rating; a lower PUE indicates that less energy is wasted on cooling and lighting, translating directly into lower power billing overhead for your footprint.
Network topology is another differentiator. Facilities with strong internal meet-me rooms and diverse subsea cable landing backhauls reduce latency and improve peering performance for regional users. Always verify whether the facility can accommodate your long-term growth trajectory by offering adjacent cabinet expansion or scalable private cage configurations.
Is colocation cheaper than owning a private server?
Colocation eliminates capital expenditure on facility upkeep, but total cost depends on hardware amortization, power consumption, and ongoing operational overhead.
Determining financial viability requires a comprehensive TCO comparison between building an on-premise server closet and renting colocation space. Owning a private room incurs massive upfront capital outlays for commercial HVAC systems, dedicated electrical feeds, fire suppression systems, and physical security, alongside ongoing maintenance contracts.
Colocation converts this unpredictable capex cost into predictable operational expenses. While you pay recurring monthly fees for rack space and metered power, you eliminate the risk of catastrophic capital reinvestment when legacy facility hardware fails. For most growing organisations, renting hardened infrastructure proves vastly more cost-effective than attempting to engineer enterprise-grade resilience internally.
Where to go next
For ThinkOn’s Australian colocation facilities, availability zones and pricing, see our colocation data centre page.
