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In the era of digital transformation, businesses increasingly rely on information technology (IT) infrastructure to support their operations. Business activities involving data management, enterprise applications, digital transactions, and internal communication systems require stable, secure, and reliable server and network infrastructure.

To meet these requirements, companies need data center infrastructure that can support data storage, processing, and management efficiently. However, building an in-house data center is not a simple decision. Several factors must be considered, including initial investment, equipment requirements, electricity consumption, cooling systems, security, and maintenance costs.

Alternatively, companies can consider colocation data center services, which allow them to place their own servers and IT equipment in a data center facility operated by a professional service provider.

So, which option is more efficient for business needs: building an in-house data center or using colocation services? To make the right decision, companies need to understand the differences, operational requirements, and costs associated with each solution.

Why Do Companies Need Data Center Infrastructure?

Data has become one of the most valuable assets in modern business operations. Today, almost every business activity relies on digital systems, from document storage and customer database management to financial systems, internal applications, and customer-facing services.

All these activities require IT infrastructure that ensures data can be stored, processed, and accessed efficiently. This is where data centers play an essential role.

A data center is a physical facility that houses various IT equipment, such as servers, storage systems, routers, switches, firewalls, and other supporting infrastructure. These components work together to store, process, and distribute data.

With adequate data center infrastructure, companies can manage their digital systems more effectively while supporting business growth. Here are several reasons why companies need data center infrastructure:

• Supporting Business Data Storage and Management

Data centers provide the infrastructure needed to house servers and storage systems that support business data storage and management. With sufficient infrastructure capacity, companies can manage their storage requirements while accommodating the future growth of their digital systems.

• Maintaining System and Business Service Availability

Server disruptions can directly affect business operations. For example, internal applications may become inaccessible, digital transactions may be interrupted, or customers may experience difficulties accessing company services.

Properly designed data center infrastructure can help maintain server availability and minimize the risk of operational disruptions. Key supporting facilities include backup power systems, cooling systems, facility monitoring, and network connectivity.

• Enhancing IT Infrastructure Security

Servers housed in facilities with limited security measures may face various risks, including unauthorized physical access, environmental disruptions, and equipment damage caused by unsuitable operating conditions.

Professional data centers are generally equipped with physical security systems and environmental controls to help protect the equipment housed within their facilities.

• Supporting Business Growth and Scalability

As a business grows, its requirements for server capacity, data storage, and connectivity may also increase. A company that initially requires only a few servers may eventually need to expand its infrastructure to accommodate a growing number of users, applications, and digital activities.

What Are the Costs of Building Your Own Data Center?

Building an in-house data center, also known as an enterprise data center, gives companies greater control over their IT infrastructure. However, this decision also requires substantial investment, both during the initial development phase and throughout long-term operations.

The cost of building a data center goes beyond purchasing servers. Companies must also prepare the building, power infrastructure, cooling systems, security systems, connectivity, and professional personnel to manage the facility. Below are several key cost components to consider:

• Land and Facility Construction Costs

The first step in building a data center is securing a suitable location and preparing the physical facility to meet operational requirements. Companies need to consider building size, server room capacity, construction, equipment layout, security systems, and protection against environmental risks.

The data center location should also provide access to essential supporting infrastructure, including electricity, telecommunications networks, accessibility, and an assessment of potential natural disaster risks. The greater the required capacity and facility standards, the higher the investment is likely to be.

• Server and Network Equipment Procurement Costs

Servers are the core components of data center infrastructure because they run applications, process data, and support various business systems. In addition to servers, companies also need supporting equipment, such as:

• Storage: Used to store databases, documents, applications, and other business data.
• Network Switches: Connect server equipment to internal networks.
• Routers: Manage data traffic between networks.
• Firewalls: Help protect networks against unauthorized access and activities.
• Server Racks: House and organize server equipment.
• Electrical Installation and Backup Power System Costs

Data centers require a stable power supply because servers and network equipment must operate according to their service requirements.

Therefore, building a data center requires a dedicated electrical installation capable of supporting the power requirements of all equipment. Several components that need to be prepared include:

• Power distribution systems
• Uninterruptible Power Supply (UPS)
• Backup power generators
• Distribution panels and electrical protection systems
• Power consumption monitoring infrastructure
• All these systems require procurement, installation, testing, and regular maintenance costs.
• Cooling System and Temperature Control Costs

Server equipment generates heat during operation. If room temperature is not properly controlled, equipment performance may be affected and the risk of hardware damage may increase.

For this reason, data centers require a cooling system designed to maintain temperature and environmental conditions in accordance with equipment specifications.

Companies need to account for cooling equipment procurement, installation, electricity consumption, and regular system maintenance. Cooling requirements also affect overall energy consumption and data center operating costs.

• Infrastructure Security and Monitoring Costs

Data centers require security systems to protect their facilities, equipment, and operating environments. Several requirements to consider include:

• CCTV and surveillance systems
• Access control systems to restrict entry to server rooms
• Fire detection and suppression systems
• Environmental monitoring systems
• Equipment and facility monitoring

In addition to procuring security systems, companies must establish operational procedures and assign personnel responsible for facility supervision.

• Maintenance and Human Resource Costs

Building a data center requires more than an initial investment. Once the facility becomes operational, companies must also cover ongoing maintenance and management expenses. These operating costs may include:

• Electricity bills for servers and cooling systems
• Server and network equipment maintenance
• Replacement of damaged components
• UPS and generator maintenance
• Security system management
• Salaries for IT technicians and professionals
• Regular infrastructure testing and maintenance

Therefore, building an in-house data center is not simply about preparing equipment and a dedicated room. It also requires a long-term commitment to managing and maintaining the entire infrastructure consistently.

Understanding Colocation Data Centers as an Alternative for IT Infrastructure

After understanding the various investment requirements involved in building an in-house data center, companies can consider another alternative that may better suit their operational capacity and requirements: colocation data center services.

A colocation data center is a service that allows companies to rent space or capacity within a data center facility owned and operated by a service provider to house their own servers and IT equipment.

According to Cisco, under the colocation model, companies rent space in a data center facility owned by a third party. The colocation provider supplies the facility infrastructure, including the building, cooling systems, bandwidth, and security. Meanwhile, companies remain responsible for providing and managing their own IT equipment, such as servers, storage systems, and firewalls. Colocation data center facilities generally provide the following supporting infrastructure:

• Server Space and Racks: Provide dedicated space to house and organize company server equipment.
• Power Supply: Supports equipment power requirements through appropriate electrical infrastructure.
• Cooling Systems: Maintain server room temperatures and environmental conditions according to equipment requirements.
• Physical Security: Help protect the facility through surveillance and access control systems.
• Network Connectivity: Provide connectivity infrastructure to support data communication and network access.

In-House Data Center vs. Colocation Data Center: A Comparison

After understanding the characteristics of each solution, companies need to identify the differences between building an in-house data center and using colocation services. Both options offer distinct advantages and challenges. The right choice depends on infrastructure capacity requirements, budget, management capabilities, and the company's IT infrastructure strategy. The following comparison outlines the key differences:

Which Option Is More Efficient for Business? To determine which option is more efficient, companies need to evaluate their overall IT infrastructure requirements rather than simply comparing initial costs.

Interestingly, the findings of the Uptime Institute 2025 Data Center Spending Survey show that not all companies consider colocation more affordable than operating their own data centers.

In its report, Cost Comparisons: Enterprise Data Centers vs Colocation vs Cloud, published in December 2025, Uptime Institute presented a comparison of workload provisioning costs between company-owned data centers and colocation facilities.

Among the 231 respondents who assessed this comparison, 42% stated that workload provisioning was less expensive using their own data centers. These findings demonstrate that there is no single infrastructure model that is always more cost-effective for every company.

The results may vary depending on infrastructure scale, capacity utilization, power requirements, maintenance expenses, human resources, and the company's operational model.

Therefore, companies should conduct a Total Cost of Ownership (TCO) analysis before making a decision. This calculation should include initial investment, operating expenses, maintenance, capacity expansion, and service costs over a specific period.

An in-house data center may be more suitable for companies that:

• Have large-scale and highly specific infrastructure requirements.
• Require direct control over physical facilities and operating environments.
• Have sufficient capital investment budgets.
• Have dedicated technical teams to manage all data center facilities.
• Require specialized facility designs that cannot be accommodated by colocation providers.

Meanwhile, colocation data centers may be a suitable option for companies that:

• Want to reduce the initial investment required to build their own data center facilities.
• Already own servers but do not have adequate facilities to house them.
• Require supporting infrastructure, including power, cooling, physical security, and connectivity.
• Want to reduce the complexity of managing data center facilities.
• Need flexibility to adjust their IT infrastructure capacity.

Considering these factors, colocation can be an efficient alternative for companies that want to retain control over their servers and IT systems without having to manage the entire complexity of building and operating their own data center facilities.

Support Your Business IT Infrastructure Needs with Zetta-DC

Choosing the right data center infrastructure is an important step in supporting business continuity and growth in the digital era.

For companies that already own servers but want to benefit from professional data center facilities without building their own infrastructure, colocation services can be a practical solution worth considering.

Zetta-DC is a colocation data center service designed to support business server hosting and IT infrastructure requirements.

Zetta-DC provides supporting infrastructure and facilities designed to help companies maintain server operations, protect their equipment, and meet their connectivity requirements. Here are some of the key advantages of Zetta-DC:

• Stable Connectivity

Zetta-DC provides high-speed and stable connectivity to support reliable network access and help ensure smooth business operations. With adequate connectivity, companies can support data communication, application access, and various digital activities that rely on server infrastructure.

• High-Level Security

Zetta-DC is supported by security systems that include access control, CCTV surveillance, and fire detection systems to help protect the facility and company server equipment.

• Reliable Infrastructure

Server performance depends not only on equipment specifications but also on the quality of the supporting infrastructure. Zetta-DC is supported by robust infrastructure, including reliable power supply, cooling systems, and network architecture.

• Technical Support

Managing data center infrastructure requires proper monitoring and technical assistance whenever issues arise. 

Zetta-DC provides professional technical support to help resolve issues promptly and maintain operational continuity. With these advantages, Zetta-DC is a solution worth considering for companies looking to manage their IT infrastructure requirements without having to build their own data center facilities.

Optimize your business IT infrastructure management with Zetta-DC. Would you like to learn more about colocation data center solutions for your company's requirements?

Discuss your business needs with us and find the right solution with Zetta-DC. Visit sdi.net.id to learn more about SDI's connectivity and digital infrastructure solutions.

Frequently Asked Questions

• What is the difference between building an in-house data center and using a colocation data center?

Building an in-house data center means that a company owns and manages the entire infrastructure, from physical facilities and servers to electrical systems, cooling, and security. In contrast, colocation data center services allow companies to place their own servers and IT equipment in a third-party facility equipped with supporting infrastructure, such as power supply, cooling systems, connectivity, and security.

• Is using a colocation data center more cost-effective than building your own data center?

Colocation data center services can be more cost-effective because companies do not need to make substantial initial investments to build facilities and provide all the supporting infrastructure themselves. However, cost efficiency depends on capacity requirements, the number of servers, power consumption, operating expenses, and the duration of service usage. Therefore, companies should compare the Total Cost of Ownership (TCO) before making a decision.

• What should companies consider before choosing a colocation data center service?

Several factors should be considered, including connectivity stability, power supply reliability, cooling systems, facility security, technical support, and the infrastructure's ability to meet business requirements. Companies should also ensure that the selected service offers specifications and a Service Level Agreement (SLA) that align with their IT operational needs.

• Do companies retain control over their servers when using colocation data center services?

Yes. Under the colocation model, companies continue to own and manage their IT equipment, such as servers, storage systems, and firewalls. Meanwhile, the colocation provider is responsible for supplying physical facilities and supporting infrastructure in accordance with the agreed service scope. This allows companies to retain control over their systems and data without having to manage the entire data center facility themselves.

• What are the advantages of using SDI's Zetta-DC Colocation Data Center service?

Zetta-DC by SDI provides colocation data center solutions to support business IT infrastructure requirements. The service is supported by high-speed and stable connectivity, facility security through access control, CCTV surveillance, and fire detection systems. In addition, Zetta-DC provides supporting infrastructure, including power supply, cooling systems, reliable network architecture, and professional technical support to help maintain smooth business operations.