COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

COOLBLOCK

Immersion Cooling

CoolBlock is redefining
how data centers manage heat

COOLBLOCK | IMMERSION COOLING

What is
Immersion Cooling

Immersion cooling is a next-generation thermal management solution where servers are fully submerged in dielectric fluid, allowing direct heat transfer from components. This method eliminates the inefficiencies of air cooling, supports ultra-high-density compute and drastically reduces energy consumption. Ideal for HPC, AI/ML and blockchain workloads, immersion cooling enables sustainable, high-performance infrastructure with minimal footprint and maximum thermal stability.

Powered by Synapsecom, delivers modular immersion cooling systems engineered for enterprise-grade deployments. Built for scalability and efficiency, CoolBlock’s platform transforms traditional data center operations into environmentally optimized, high-density compute environments.

Benefits of
Liquid Immersion Cooling Fluids

COOLBLOCK | IMMERSION COOLING

01

Better
performance

Better performance

By transferring heat more efficiently than many air-cooling techniques (which use refrigerated air, fans and heatsinks), immersion cooling fluids can support overclocking and increase CPU speeds by up to 40%.

Better
performance

By transferring heat more efficiently than many air-cooling techniques (which use refrigerated air, fans and heatsinks), immersion cooling fluids can support overclocking and increase CPU speeds by up to 40%.

COOLBLOCK | IMMERSION COOLING

02

More
efficient operations

More efficient operations

With no need for coolers, chillers, fans or evaporative cooling systems, immersion cooling fluids can help businesses cut the floor space needed to host their computing equipment by up to 80%.

More
efficient operations

With no need for coolers, chillers, fans or evaporative cooling systems, immersion cooling fluids can help businesses cut the floor space needed to host their computing equipment by up to 80%.

COOLBLOCK | IMMERSION COOLING

03

Greater
energy efficiency

Greater energy efficiency

Immersion cooling fluids almost eliminate the need for the power-hungry air-based cooling systems, helping to reduce the energy footprint of a computing facility by up to 48%.

Greater
energy efficiency

Immersion cooling fluids almost eliminate the need for the power-hungry air-based cooling systems, helping to reduce the energy footprint of a computing facility by up to 48%.

COOLBLOCK | IMMERSION COOLING

Benefits of
Liquid Immersion Cooling Fluids

COOLBLOCK | IMMERSION COOLING

04

Increased
profitability

Increased profitability

By reducing electricity consumption and the need for intricate heating, ventilation and air conditioning systems, immersion cooling fluids can reduce a data centre’s total cost of ownership (TCO) by up to 33%.

Increased
profitability

By reducing electricity consumption and the need for intricate heating, ventilation and air conditioning systems, immersion cooling fluids can reduce a data centre’s total cost of ownership (TCO) by up to 33%.

COOLBLOCK | IMMERSION COOLING

05

Easier
to scale

Easier to scale

As data centres expand to meet the growing demands of high-end computing, immersion cooling fluids offer an easier way to add scale and enable increased locational flexibility.

Easier
to scale

As data centres expand to meet the growing demands of high-end computing, immersion cooling fluids offer an easier way to add scale and enable increased locational flexibility.

COOLBLOCK | IMMERSION COOLING

06

Improved
sustainability

Improved sustainability

Providing greater operational and energy efficiency, immersion cooling fluids help businesses to achieve their sustainability goals – contributing to CO₂ emissions reductions of up to 30%.

Improved
sustainability

Providing greater operational and energy efficiency, immersion cooling fluids help businesses to achieve their sustainability goals – contributing to CO₂ emissions reductions of up to 30%.

Learn more about the benefits of
Immersion Cooling

What We offer

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Modular Cooling Pods

Scalable immersion tanks designed for rapid deployment and seamless integration. Each pod supports high-density racks and can be expanded from single-unit setups to multi-pod installations.

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Energy Efficiency & Sustainability

CoolBlock systems reduce cooling energy consumption by up to 95%, lower PUE below 1.03 and cut carbon emissions by 45% using biodegradable coolant and minimal mechanical infrastructure.

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

High-Density Compute Support

Optimized for GPU clusters, AI/ML workloads and blockchain nodes, our immersion tanks enable up to 100 kW per rack with stable thermal performance and extended hardware lifespan.

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Minimal Footprint & Maintenance

With up to 97% less space required and no need for raised floors or complex HVAC, CoolBlock immersion systems simplify facility design and reduce operational overhead.

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Made in Greece, Built for Scale

Designed and manufactured in Thessaloniki by Synapsecom, CoolBlock combines local innovation with global standards, delivering cutting-edge cooling technology from concept to deployment.

Immersion Cooling
vs Air Cooling

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Historically, data centres have depended on air-based cooling systems, which involve complex setups including fans, heatsinks and other bulky components to maintain safe operating temperatures. These systems often compromise efficiency due to their substantial space requirements and high energy demands.

Immersion cooling presents a transformative alternative. By enveloping hardware in specially engineered cooling fluids, it efficiently draws away heat directly from the source. This method not only enhances temperature control and boosts equipment performance, but also significantly improves energy usage and overall operational efficiency.

Strategic Benefits

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Powered by Synapsecom

Backed by decades of data center expertise and infrastructure innovation

COOLBLOCK | IMMERSION COOLING
COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Modular Architecture

Start small, scale fast ideal for edge, enterprise and hyperscale environments

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Eco-Conscious Design

Biodegradable coolant, reduced emissions and low energy footprint

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

High Compute Density

Supports HPC, AI and GPU-intensive workloads with unmatched thermal stability

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Rapid Deployment

Plug-and-play immersion pods with minimal facility requirements

COOLBLOCK | IMMERSION COOLINGCOOLBLOCK | IMMERSION COOLING

Greek Engineering Excellence

Designed, built and supported locally for European compliance and agility

COOLBLOCK | IMMERSION COOLING

Why Join us

Immersion cooling
isn’t just a cooling solution
- it’s a strategic upgrade
to your infrastructure

Immersion cooling isn’t just a cooling solution
- it’s a strategic upgrade to your infrastructure

Whether you're scaling AI clusters,
optimizing blockchain farms
or future-proofing your data center,
our immersion cooling platform
delivers unmatched efficiency,
density and sustainability.

Powered by Synapsecom,
CoolBlock gives you the edge
to compute smarter,
greener and faster.

Whether you're scaling AI clusters, optimizing blockchain farms
or future-proofing your data center, our immersion cooling platform
delivers unmatched efficiency, density and sustainability.

Powered by Synapsecom, CoolBlock gives you the edge
to compute smarter, greener and faster.

CONTACT US
about immersion cooling