atNorth, Subzero standardise approach to HPC Colocation

By Subzero Engineering
A case study by Subzero Engineering shows how leading Nordic data centre services firm atNorth was able to standardise its approach to HPC colocation

SUMMARY

atNorth is a leading Nordic data centre services organization based in Reykjavik, Iceland. It offers environmentally responsible, power-efficient, and cost-optimized data centre hosting facilities, with the capabilities to deliver high-performance computing (HPC) services. 

By working with Subzero Engineering, a leading provider of data centre containment solutions, the company was able to standardize its approach to HPC colocation; using a scalable, energy-efficient, and ultra-secure, fault-tolerant cold aisle containment (CAC) methodology to replicate its sustainability and performance capabilities across multiple sites.

 

CUSTOMER BACKGROUND

atNorth is a leading Nordic data centre services company offering environmentally sustainable, power-efficient, and cost-optimized data centre hosting facilities. Its Tier III, redundant design and its innovative ability to support rack densities ranging from 40kW – 100kW make it the perfect partner for organizations using high-performance computing (HPC) to solve some of the world’s most challenging problems. 

With operations in Stockholm, Sweden and Reykjavik, Iceland, the company’s mission is to offer more compute for a better world, leveraging innovative data centre designs, power efficiency, and intelligent clusters to support the disruptive technologies used by customers. This includes workloads that require High Performance Computing (HPC) infrastructure, such as simulations, scientific calculations, artificial intelligence (AI), deep learning, and blockchain applications. 

At its Icelandic Thor DC and Mjölnir DC colocation campuses, the company continues to push the boundaries of Nordic data centres; using 100% renewable energy resources from hydropower and geothermal sources to power their facilities, which are optimized for ultra-energy efficiency, maximum reliability, and industry-leading performance. 

With this approach that incorporates Direct Free Air cooling and carbon-free energy, atNorth delivers a Power Usage Effectiveness (PUE) rating below 1.2 at its Tier III Mjölnir DC. A strategy that offers customers a reduced total cost of ownership (TCO), increased operational and energy efficiency, and a secure, scalable data centre platform to protect the long-term lifecycle requirements of their infrastructure deployments.

 

CHALLENGES

When designing its second 80MW, Mjölnir DC data centre campus in Reykjanesbaer, Iceland, atNorth was looking for a containment partner that was able to deliver to demanding timescales. 

The company required a high-quality, robust, and secure containment solution that would offer the ability to standardize their design, while delivering repeatable performance, sustainability, and efficiency capabilities across multiple sites. 

Further, due to its reputation for sustainable HPC and colocation, and for building long-term customer relationships, the company was looking to establish a new supply chain partner who could work with them as the company grew. 

 

PROPOSED SOLUTION

Working to meet the company’s requirements for speed, efficiency, and precision, Subzero Engineering quickly engaged with Jóhann Þór Jónsson, atNorth’s Director Project Management and Business Development. Rather than offer a simple proposal containing a product specification and cost, the companies’ engineers provided consultative expertise from a remote location in the USA, offering valuable insight that would help to future-proof the data centre and meet growing customer demand.

Once a relationship was established, Subzero specified its Essential Plus+ product line, offering a vendor-neutral, quick-to-deploy, and flexible containment system. Available globally, the Essential Plus+ products would provide atNorth with a standardized containment architecture, which would accommodate any customers’ HPC rack, server, or storage requirement. 

 “Subzero’s response time was exceptional,” said Jóhann Þór Jónsson, Director Project Management and Business Development, atNorth. “They not only specified a cold aisle containment architecture complete with security doors and top roofs, but worked with us consultatively to engineer a robust, clean, and energy-efficient system that would look visually impactful and fit with the site’s geothermal surroundings.” 

 

RESULTS

The sleek look and feel, best-in-class materials, and energy-efficient architecture of the Essential Plus+ products met atNorth’s requirements for a customizable, robust and high-quality containment solution. Moreover, it would enable them to standardize and quickly scale across new sites, using a methodology that delivers increased security, performance, and sustainability. This is a pivotal approach, and has informed the design, construction and development of its third climate-positive data centre in Stockholm.

“Subzero Engineering has given us a standardized, repeatable, and physically secure containment system, which fits well with our own philosophy,” said Jóhann Þór Jónsson, Director Project Management and Business Development, atNorth. “They have offered us a flexible containment solution, focused on both performance and efficiency, but which is easy to customize with the changing requirements of our intensive computing customers.” 

Further, the synergies between the companies were clear from the outset, both having values ingrained with pushing the boundaries of performance, sustainability, and energy efficiency. Subzero’s containment solutions would not only contribute towards atNorth’s industry-leading low PUE, but their approach would deliver exceptional value: establishing them as a long-term partner for the company’s high performance, sustainable, colocation services. 

“As a business, we’re always focused on the long-term objectives of our customers, and we choose to work with companies whose values are aligned with ours,” continued Jóhann Þór Jónsson, Director Project Management and Business Development, atNorth. “Subzero Engineering remained service-minded, agile, and worked to truly understand our business: providing a consultative, value-add and intricate data centre solution that meets our demands for performance and efficiency both now, and in the future.”

 

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