When choosing GPU server colocation, first confirm that the facility can accommodate the equipment and meet its power and cooling requirements. Then compare networking, on-site support and costs. These conditions directly affect whether the equipment can go live on schedule and run reliably afterward.
For businesses that own or plan to buy GPU equipment, colocation avoids the investment of building a data center themselves. They retain ownership of the hardware and choose the facility services and equipment maintenance they need.
What GPU Colocation Includes and How It Differs from Rental
GPU server colocation typically provides space, power, cooling, connectivity and on-site support. Responsibility for software, data and compute workloads is agreed separately between the business and its operations team. Start by checking what the base colocation fee includes.
The main difference between GPU colocation and GPU rental is ownership. With colocation, the business owns the equipment and pays for facility services. With rental, the provider usually owns the hardware and charges for access to equipment or compute. Colocation suits businesses that have purchased GPUs and want to keep the assets. Businesses that mainly need compute capacity and have not bought hardware can compare rental options as well.
Distinguish facility maintenance from GPU hardware repair. On-site staff may be able to inspect indicator lights on request, while diagnosis, component replacement or a return to the manufacturer may require a separate maintenance service. Cluster performance tuning should also be agreed separately.
Rack Space, Floor Loading and Installation Access
Confirm that the equipment fits in the rack, can reach its installation position and leaves enough space for servicing. In addition to rack height, check server depth, fully loaded weight, and clearance for cables, pipes and equipment removal.
For a fully assembled rack, check the loading bay, doorways, turning clearances, freight elevators and transport route. If servers will be installed individually, allocate space for unpacking, temporary storage and lifting equipment.
Floor loading also depends on where weight is concentrated. Rack feet and transport wheels apply loads over small areas. Qualified personnel should assess these concentrated loads as well as the floor's average load rating.
Before purchasing equipment, have the supplier and facility confirm dimensions, weight and the installation method. If equipment must be disassembled for transport or assembled on site, include that work and subsequent retesting in the delivery schedule.
GPU Rack Power: Confirm Capacity and Redundancy
A GPU rack's power requirement depends on the installed equipment and the workloads it runs. Confirm that the facility allocates enough power to the rack and that backup supply can keep the equipment operating after a power failure.
Start with the power requirements of the GPU servers, switches, storage and other equipment in the rack. The supplier and facility should then check the required capacity against the workload and measured data. Confirm that voltage, connectors and the rack power distribution unit (PDU) are compatible. Capacity available during a failure and future expansion requirements need separate confirmation.
A facility's advertised total power capacity may also serve other customers, air conditioning and supporting infrastructure. The relevant figure is the capacity reserved for your equipment in the contract.
A/B power provides two supply paths. For redundancy, confirm that either path can carry the agreed equipment load when the other fails or is under maintenance. Adding both paths together does not establish the capacity available during a failure.
This check also extends to the equipment: server power supplies and cabling must be configured to make use of the facility's redundant supply.
Before adding equipment later, confirm whether more power and cooling capacity can be allocated, whether construction is required and when it will be ready. Empty rack space becomes usable only when sufficient power and cooling are available too.
Cooling: Match the Servers to the Facility
Start with the equipment manufacturer's cooling requirements, then verify that the facility has the necessary cooling systems and connection interfaces. A statement that a site supports liquid cooling still needs to be checked against the equipment's coolant, connector and temperature requirements.
| Cooling method | How heat is removed | What to confirm before installation |
|---|---|---|
| Air cooling | Air carries heat away from the servers. | Inlet temperature, airflow volume and direction, and measures to prevent hot-air recirculation. |
| Rear-door heat exchanger | A heat exchanger at the rear of the rack cools the exhaust air. | Door dimensions and weight, piping connections, airflow resistance and maintenance clearance. |
| Direct liquid cooling | Cold plates and coolant remove heat from designated components. | Coolant, connectors, temperature, flow rate and coolant distribution unit configuration. |
Direct liquid cooling often uses a coolant distribution unit (CDU) to transfer heat from the servers to the facility cooling system. The CDU connects the two cooling loops. Coolant compatibility, pipe materials and water quality requirements are all part of liquid cooling network design.
Before delivery, establish pressure requirements and leak monitoring as well as the compatibility checks in the table. Agree who supplies and maintains the CDU and piping, and who handles leaks. Defining direct liquid cooling interfaces and responsibilities early helps coordinate installation and later repairs.
Some components in a liquid-cooled server may still rely on air cooling. The facility must therefore provide enough air conditioning and airflow to remove the remaining heat.
Networking, On-Site Support and SLAs
GPU colocation requires three separate connectivity checks: external networking for data transfer, cluster networking for communication between servers, and management networking for remote administration. Evaluate each against the work it needs to support.
For large data transfers, compare external bandwidth, transfer charges, dedicated circuits and cross-connect fees. A cross-connect is a physical connection inside the data center to a carrier or another service.
When multiple GPU servers work together, confirm the node-to-node network configuration and test transfer efficiency with real workloads. For remote management, define who can log in, which equipment they may operate and how the management network is isolated.
On-site support should be evaluated by how quickly the business can obtain effective help. Advance booking requirements, availability for overnight work and access procedures for manufacturer engineers can all affect recovery time after a fault.
A service-level agreement (SLA) should define how downtime is measured, when response begins, which work is covered and what remedies apply when commitments are missed. A response after notification and a completed repair are different commitments. If replacement parts must come from the manufacturer, agree who requests them, tracks the case and arranges replacement.
Comparing GPU Colocation Costs
Compare total prices only after aligning rack count, power capacity, service scope and contract length. List one-time transport and installation charges separately from recurring monthly fees so the differences are clear.
| Cost item | What the price should specify |
|---|---|
| Racks and space | Full rack, partial rack or dedicated area; whether space is reserved exclusively. |
| Power | Reserved capacity or metered consumption, minimum charges and allocated facility energy use. |
| Cooling | What is included in the base fee; separate charges for liquid cooling equipment, piping and maintenance. |
| Networking | External connectivity, dedicated circuits, cross-connects, data transfer and equipment charges. |
| On-site services | Included support hours, overnight work, additional labor and parts-related services. |
| Installation and exit | Transport, rack installation, cabling, liquid cooling connections, testing and removal at contract end. |
Power charges may include an allocation of facility energy use, such as air conditioning, alongside the equipment's own consumption. If billing uses power usage effectiveness (PUE) or another multiplier, confirm what the meters cover, how the fee is calculated and when the multiplier may change.
Providers may include cooling and other costs under different line items. Add up the costs across the full contract term, without counting services already included elsewhere twice.
Acceptance Testing and Service Commencement
Before going live, check the equipment, cabling and access permissions, then test power, cooling, networking and alerts. Run the agreed workload and record power draw, temperatures and performance to confirm sustained operation. Redundancy failover tests require an agreed test plan and a scheduled window.
After acceptance, confirm the service commencement date and fault-reporting contacts so production use connects smoothly with ongoing support.
KONST GPU Colocation and Facility Integration Services
KONST Group provides GPU server colocation for customer-owned equipment, arranging rack space, power, cooling and networking and coordinating installation. Businesses that own or plan to buy GPUs can select an option based on equipment scale, cooling requirements and their launch date.
KONST's colocation services also cover cross-connects and mechanical and electrical maintenance. Businesses can evaluate Taiwan facilities, including options in Taichung and New Taipei. Available capacity, cooling configurations, redundancy and installation dates are confirmed against each facility's actual conditions.
The data center operator is responsible for the site and its mechanical and electrical infrastructure. KONST handles capacity arrangements, installation coordination, incident follow-up and billing. GPU hardware monitoring, troubleshooting and manufacturer repair coordination can be added through equipment maintenance services.
If power distribution, cooling or the GPU cluster configuration needs changes before installation, KONST's infrastructure brand, Konstra AI, can plan the related facility and cluster work, coordinating construction with equipment delivery.
Discuss GPU colocation and installation requirements with KONST
