Single-Phase Immersion Cooling with Asperitas

GIGABYTE has joined forces with Asperitas to offer a Single-Phase Immersion Cooling solution, allowing customers to dramatically reduce their data center energy consumption and improve PUE, radically reducing operating costs and environmental impact.
Introduction
To better fulfill sustainability goals in data centers that are experiencing higher power requirements and subsequent heat generated, immersion cooling offers the chance to operate more green-friendly and can reduce the energy footprint by up to 50%. The solution involves cross-disciplinary technology that pairs specifically designed GIGABYTE immersion servers that are qualified and compatible with Asperitas' single-phase immersion tank, which stands out from the competition by using natural convection to circulate the dielectric liquid for heat transfer. This solution allows the deployment of immersion cooling using warm water cooling and highly-reliable IT equipment thanks to optimized IT equipment.

However, to address global data center challenges regarding sustainability, efficiency, and flexibility, immersion cooling goes far beyond just the technology. It embraces the most efficient model for operating IT equipment, reducing the energy footprint of said equipment by eliminating overhead energy. Moreover, the ability of the liquid to capture all the IT energy combined with warm water cooling enables solutions ready for heat reuse.
Usage Scenarios
AI & Machine Learning
Training algorithms for AI applications requires a large amount of parallel processing power, delivered by dense GPU deployments. A large number of high powered GPUs produce a lot of heat, requiring high electricity bills for air cooling and air conditioning. Single-phase immersion cooling is a much more cost efficient and environmentally friendly solution.
5G & Edge Computing
The era of 5G will require telcos to invest more in edge computing to reduce data transfer latency. Edge data centers are often located in urban areas and have a restricted amount of space. Single-phase immersion cooling allows for a much greater density of processing capabilities in a restricted space, making it ideal for an edge computing deployment.
Blockchain & Crypto
Blockchain and crypto rely on the verification of each endpoint in a peer-to-peer network to protect information. As more and more machines are connected to the network, authentication becomes frequent and mathematical calculations getting difficult, causing the computer to generate higher heat. Single-phase immersion cooling is a cost effective and environmentally friendly solution.
High-Frequency Trading (HFT)
High-frequency trading requires high-performance computing systems that can provide ultra-low latency to strive for timeliness. The transaction time difference of milliseconds may be profits or losses of millions of dollars. Single-phase immersion cooling can achieve higher overclocking possibilities for these extreme applications.
Advantages of Single-Phase Immersion Cooling
Higher Efficiency
Creating an optimized and efficient data center is the immersion goal, and lowering Power Usage Effectiveness (PUE) achieves it by losing less energy.
Deployment Flexibility
Minimal infrastructure required as cooling infra decreases. It is readily scalable for use in limited spaces through its small, modular tank design.
Higher Compute Density
The liquid in immersion cooling has a higher capacity to transfer heat than air. A densely packed 24U rack has the capacity to cool 44kW workloads.
Improved Reliability
Immersion specific server SKUs without unnecessary fans helps to reduce potential failures, and the operating environment has higher tolerances.
Lower Maintenance Requirement
Passive cooling system means no unnecessary parts to build or service, useful especially for remote locations such as edge computing stations.
Immersion Cooling - Asperitas
Asperitas launched the first solution in 2017 after an extensive R&D phase with an ecosystem of cutting edge partners since 2014. The unique Asperitas data center immersion cooling technology concept, Immersed Computing®, enables sustainable and high density data centers anywhere they are needed to run applications.

The AIC24 integrated immersion cooling solution is designed to ensure the highest possible continuity for the IT equipment. Total immersion cooling ensures no oxygen touches the IT components, thus preventing oxidation. Thermal shock is greatly reduced due to the high heat capacity of liquid. The immersed environment only has minor temperature fluctuations, greatly reducing thermal expansion stress on microelectronics. These factors eliminate the root cause for most of the physical degradation of microelectronics over time.
Asperitas Immersed Computing® for future ready data centers:
  • Natural convection driven
  • Plug and play
  • Clean & Safe operation
  • Flexible deployment - Hyperscale efficiency, any scale, anywhere
  • Fully protected, with integrated monitoring and control systems
  • Enterprise level quality
Asperitas AIC24-21" ready
IT Hardware Capacity 24 U
Heat Dissipation Capacity 44kW
Dimensions 1.5m (L) x 0.75m (W) x 1.5m (H)
Weight Empty: 1000kg
Coolant & Tank Capacity Shell Immersion Cooling Fluid S5X for 550-650 L/tank
CDU Not included
PUE 1.03

GIGABYTE has partnered with Asperitas to offer a single-phase immersion cooling solution that delivers ultimate sustainable performance, easy integration, smart precision cooling and carbon neutral computing.
Immersion Cooling Servers with GIGABYTE
GIGABYTE is an industry leader in high-performance computing servers. Due to the high-power consumption and heat generated by high-performance processors or general-purpose computing accelerators, HPC servers and the derived applications are particularly suitable for immersion cooling. By cooperating with Asperitas to provide standard products compatible with Asperitas' Immersed Computing® solutions, GIGABYTE's modular product design allows us to quickly respond to customer needs and modify other air-cooled servers to be fully compatible with submerged cooling systems or environments.
GIGABYTE Server & Asperitas Cooling Tank Compatibility
1/10
HPC Server - 2U 8 x GPU Immersion Server | Application: AI , AI Training , AI Inference , Visual Computing & HPC
2/10
HPC Server - 2U 8 x GPU Immersion Server | Application: AI , AI Training , AI Inference , Visual Computing & HPC
3/10
HPC Server - 2U DP 8 x Gen4 GPU Immersion Server | Application: AI , AI Training , AI Inference & HPC
4/10
HPC Server - 2U DP 8 x Gen4 GPU Immersion Server | Application: AI , AI Training , AI Inference & HPC
5/10
HPC Server - 2U DP 16 x Gen4 GPU Immersion Server ( Broadcom solution) | Application: AI , AI Training , AI Inference & HPC
6/10
HPC Server - 2U DP 16 x Gen4 GPU Immersion Server ( Broadcom solution) | Application: AI , AI Training , AI Inference & HPC
7/10
HCI Server – AMD DP 2U 4 Nodes Immersion Server Gen4 NVMe | Application: HCI & Hybrid/Private Cloud Server
8/10
HCI Server – AMD DP 2U 4 Nodes Immersion Server Gen4 NVMe | Application: HCI & Hybrid/Private Cloud Server
9/10
Intel Xeon Scalable UP Immersion Server System - 2U 26-Bay | Application: Storage
10/10
Intel Xeon Scalable UP Immersion Server System - 2U 26-Bay | Application: Storage
PUE (Power Usage Effectiveness) is the ratio of the total amount of energy used by a computer data center facility to the energy delivered to computing equipment. An ideal PUE ratio would be 1.0: 100% of the energy delivered to the data center is used for computing. However, data centers require cooling systems, lighting and other overhead that will also consume some of this energy. As such, a PUE ratio for a conventional data center will always be greater than 1.0.
Immersion cooling is a type of liquid cooling. By immersing the server directly into a bath of non-conductive liquid, thermal energy generated by the server’s components is directly transmitted into the surrounding fluid without any additional active cooling systems or parts required, such as heat sinks, heat pipes or fans. The hot fluid then evaporates and re-condenses, and this natural re-circulation method is used to dissipate heat. In theory, this cooling method can greatly improve energy efficiency.There are two types of immersion cooling, which work in slightly different ways.●Single-Phase Immersion CoolingServer or IT component is immersed in a thermally conductive dielectric coolant. The coolant will not change its state either boil or freeze, and always remain liquid. The coolant in the tank is pumped by cooling distribution unit (CDU) to the heat exchanger outside the tank, where the heat is transferred to secondary cooling circuit mostly the building cold water.●Two-Phase Immersion CoolingServers or other IT components are submerged in a thermally conductive dielectric liquid or coolant. Heat is removed from the system by circulating the liquid into direct contact with hot components, whereby the liquid undergoes a low-temperature evaporation process to cool the hot components and transfer the heat out of the liquid. The gas is cooled again by a heat exchanging method such as a condenser coil to allow return flow into the larger liquid volume. (as illustrated below)
Parallel computing refers to a method of using multiple computing resources at the same time to solve a computational problem. During the process, many instructions are executed simultaneously. The basic concept is to divide the content to be calculated into discrete parts, and then solve the problem by using multiple execution methods.
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