Solutions

The Mission-Critical Liquid Cooling Solution
for Peace of Mind 

Tailored Cooling for Critical Environments

Accelsius delivers precision cooling solutions for mission-critical environments, designing reliable and efficient solutions for data centers.

The NeuCool Platform

NeuCool in two racks, front and rear views

NeuCool Overview

NeuCool is a complete liquid cooling solution, using a highly-efficient two-phase process and a dielectric refrigerant that is entirely safe for electronics.

The NeuCool system supports 1500W+ per socket and up to 100kW per rack (80kW direct-to-chip cooling), easily cooling current and future generations of high-performance CPUs & GPUs. 

NeuCool is a tailorable solution that is adaptable to specific compute needs and infrastructure systems.

Watch NeuCool walk-through >

The NeuCool Platform

NeuCool Overview

Powered by Accelsius, NeuCool is a complete liquid cooling solution, using a highly-efficient two-phase process and a dielectric refrigerant that is entirely safe for electronics.

The NeuCool system supports 1500W+ per socket and up to 100kW per rack (80kW direct-to-chip cooling), easily cooling current and future generations of high-performance CPUs & GPUs. 

NeuCool is a tailorable solution that is adaptable to specific compute needs and infrastructure systems.

Watch NeuCool walk-through >
Two Phase Immersion Cooling
NeuCool 2P DTC In-Rack System

NeuCool 2P DTC In-Rack System

NeuCool is a complete system that accommodates standard server racks for ease of deployment from the edge to hyperscale data center, and everywhere in between.

  • Supports extremely dense servers and racks, allowing move compute power per square foot
  • Highly-efficient system drives PUE down, allowing more power to be allocated to compute
  • Compatible with a wide variety of facility water and final heat rejection systems, including waterless, pumped-refrigerant options
View Spec Sheet >

NeuCool Thermal Simulation Rack

Introducing a first-of-its-kind invention to meet a critical market need: a rack-level “thermal bank” engineered to test, validate, commission, and showcase liquid cooling capabilities—right in your own environment. Delivering on our promise of peace of mind.

This revolutionary offering provides:

  • Cost-effective simulation of high-density racks without the expense of traditional AI-HPC servers
  • User-friendly control and monitoring through a program that can replicate the demanding workloads and associated spikes characteristic of AI
  • Power Load Simulation Sleds (LSS) provide up to 5kW of thermal load in 1U, delivering up to 50kW/rack
  • Extreme density, custom options that provide up to 250kW of thermal load in a single rack to test and demonstrate row-mounted CDUs
TSR Specs & Details >
NeuCool 2P DTC In-Rack System
Two Phase Immersion Cooling

NeuCool 4-Way GPU Configuration

The NeuCool multi-GPU solution, featuring optimized Vaporators (engineered 2-phase cold plate), is designed to effectively cool the most advanced CPU and GPU server configurations.

  • Thermal and mechanical designs deliver structural integrity, maximizing thermal conductivity while preventing physical stress
  • Delivers superior results and headroom for future GPU and CPU chip developments vs. single-phase water options
  • Uses up to 50% less energy, consumes zero water, and supports rack densification, optimizing scarce power allocations
  • Reliable and safe liquid cooling solution that boosts cooling efficiencies without the risk of water entering the rack IT equipment, providing GPU lifecycle longevity and overall investment protection

NeuCool Components

Each component of the NeuCool 2P DTC In-Rack System is artfully designed to maximize system performance while optimizing ease of deployment, serviceability and value throughout an extended lifecycle

NeuCool iPCU

The Intelligent Platform Control Unit is the heart and brains of the NeuCool System​.

  • Contains core logic, industrial condenser, N+1 pumps, system sensors, and touchscreen control system
  • Redundant, hot-swappable components, including power supplies, pumps, sensors, and core logic board
  • Integrated condenser enables transfer of heat from NeuCool loop to a variety of heat rejection options
  • Intelligent, load-balancing pump system extends lifecycle and provides robust fault tolerance to maximize uptime​

NeuCool Components

Each component of the NeuCool 2P DTC In-Rack System is artfully designed to maximize system performance while optimizing ease of deployment, serviceability and value throughout an extended lifecycle

NeuCool iCDU

The Intelligent Coolant Distribution Unit is the heart and brains of the NeuCool System​.

  • Contains core logic, industrial condenser, N+1 pumps, system sensors, and touchscreen control system
  • Redundant, hot-swappable components, including power supplies, pumps, sensors, and core logic board
  • Integrated condenser enables transfer of heat from NeuCool loop to a variety of heat rejection options
  • Intelligent, load-balancing pump system extends lifecycle and provides robust fault tolerance to maximize uptime​
NeuCool iPCU
NeuCool Reservoir

NeuCool Manifolds

Aluminum manifolds direct refrigerant between servers and the NeuCool iPCU.

  • Split design for installation flexibility, optimized vapor and liquid flow, and heat isolation
  • Low-profile design for rear aisle serviceability with no PDU interference
  • Designed and tested for 3x normal operating pressure​
  • Stainless steel, dripless quick disconnects​ feature one-handed operation with audible connect
Vaporator

NeuCool Vaporator

  • Optimized, 2P DTC system
  • Highly-engineered to promote nucleation (boiling) and efficiently remove heat from CPUs and GPUs
  • Capable of cooling 1500W+ per socket

NeuCool Vaporator

  • Optimized, 2P DTC system
  • Highly-engineered to promote nucleation (boiling) and efficiently remove heat from CPUs and GPUs
  • Capable of cooling 1500W+ per socket
Supported CPUs/GPUs >
Vaporator
Reservoir

NeuCool Reservoir

The NeuCool Reservoir provides refrigerant expansion volume to respond to fluctuations in compute power.

  • Creates head pressure that extends pump life and prevents instabilities in fluid flow
  • Contains redundant level sensors that enable the leak detection system
NeuCool Software Management System

NeuCool Software Management System

  • Integrated software platform monitors and controls all important parameters and functions of the NeuCool System
  • System interfaces include a local touchscreen LCD on iPCU or remotely, via a dedicated Web interface and/or DCIM
  • Integrates with data center Network Operations Center (NOC) and server system management systems through SNMP, IPMI, Redfish, DCIM, etc.

NeuCool Software Management System

  • Integrated software platform monitors and controls all important parameters and functions of the NeuCool System
  • System interfaces include a local touchscreen LCD on iPCU or remotely, via a dedicated Web interface and/or DCIM
  • Integrates with data center Network Operations Center (NOC) and server system management systems through SNMP, IPMI, Redfish, DCIM, etc.
NeuCool Software Management System

NeuCool Dielectric

NeuCool uses a 4th-generation dielectric refrigerant that is optimized for 2-Phase, DTC cooling​.

  • Non-flammable, non-toxic, non-corrosive, ASHRAE A1 safety rating
  • Ultra-low Global Warming Potential (GWP=1), zero ozone depletion, non-forever chemical
  • Zero damage in the unlikely event of a leak
  • IT-friendly with server and IT rack gear​
View PFAS article >

Check out this leak test video, performed and certified by Austin Reliability Labs, to learn more about how our dielectric refrigerant ensures operational uptime—and why single-phase water cooling loops are a non-starter for today’s high-value and performance-based IT racks.

View leak test video >

Waterless Data Center Solutions

Best-in-Class Cooling with No Water in the White Space

Accelsius has partnered with OptiCool® Technologies to deliver innovative waterless liquid cooling systems for data centers.

The result is a comprehensive 2-Phase, Direct-to-Chip (DTC) cooling system coupled with active rear-door heat extraction (RDHx) to mitigate concerns about liquid cooling — with no chance of damaging leaks.

View press release >

Working Together to Deliver the Safest Waterless Solution

NeuCool system in transparent rack
  • 2-Phase, direct-to-chip liquid cooling for data centers
  • Cools the hottest chips, up to 1500W+ per socket
  • Uses electronic-safe dielectric
Opticool equipment
  • Active rear door cooling with 2-Phase pumped refrigerant
  • Cools everything else up to 30kW+ additional per rack
  • Uses electronic-safe dielectric

100% Heat Removal

  • Comprehensive solution eliminates need to cool the entire room
  • NeuCool removes all CPU and GPU heat via DTC system
  • OptiCool removes remaining heat via RDHx system (from DIMM, PSUs, etc.)

100% Waterless Option

  • IT cooling loop – NeuCool system uses electronic-safe dielectric
  • Intermediate cooling loop – OptiCool Refrigerant Pump System (RPS) uses dielectric to remove heat from RDHxs and NeuCool iPCUs
  • Final heat rejection – via refrigerant from RPS to an outdoor cooling tower or direct expansion (DX) system

Highest-Density Racks

  • Enables 100kW+ racks
  • Supports the highest TDP processors in dense multi-socket AI & HPC servers
  • Eliminates need for large heatsinks and multiple-U chassis designed for high volume airflow

Accelsius delivers precision cooling solutions to optimize data center operations and maximize CPU & GPU performance. Our mission-critical cooling ensures uninterrupted operations through robust engineering and strategic design. We excel in creating tailored, effective cooling solutions working closely with you to meet your data center’s specific needs. Trust Accelsius for innovative, reliable, and efficient cooling solutions that prioritize resilience and performance.

100% Heat Removal

  • Comprehensive solution eliminates need to cool the entire room
  • NeuCool removes all CPU and GPU heat via DTC system
  • OptiCool removes remaining heat via RDHx system (from DIMM, PSUs, etc.)

100% Waterless Option

  • IT cooling loop – NeuCool system uses electronic-safe dielectric
  • Intermediate cooling loop – OptiCool Refrigerant Pump System (RPS) uses dielectric to remove heat from RDHxs and NeuCool iPCUs
  • Final heat rejection – via refrigerant from RPS to an outdoor cooling tower or direct expansion (DX) system

Highest-Density Racks

  • Enables 100kW+ racks
  • Supports the highest TDP processors in dense multi-socket AI & HPC servers
  • Eliminates need for large heatsinks and multiple-U chassis designed for high volume airflow

Accelsius delivers precision cooling solutions to optimize data center operations and maximize CPU & GPU performance. Our mission-critical cooling ensures uninterrupted operations through robust engineering and strategic design. We excel in creating tailored, effective cooling solutions working closely with you to meet your data center’s specific needs. Trust Accelsius for innovative, reliable, and efficient cooling solutions that prioritize resilience and performance.

Got questions?

Let's talk

Contact us to arrange a demo or to learn more about how the safe, sustainable NeuCool System can save operational costs and boost compute performance.

Got questions?

Let's talk

Contact us to arrange a demo or to learn more about how the safe, sustainable NeuCool System can save operational costs and boost compute performance.