Mizuho Securities Selects HPE to Accelerate Advanced Financial Simulations and Strengthen AI Readiness

HPE Services will provide monitoring and maintenance support for Mizuho Securities’ first direct liquid-cooled system.

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New infrastructure underpins Mizuho Securities’ expanding global business strategy and future AI ambitions

In this article

• Mizuho Securities selects HPE Cray XD2000 featuring direct liquid cooling to support financial simulations involving more than 360 million calculations per day
• A new data center designed for direct liquid cooling will accommodate cooling requirements and future system expansion
• New scalable infrastructure advances Mizuho Securities’ global business strategy and creates a foundation for future private AI initiatives

TOKYO--(BUSINESS WIRE)-- HPE (NYSE: HPE) and Mizuho Securities today announced that Mizuho Securities will build a new direct liquid cooling ready data center and deploy HPE Cray XD2000. The new infrastructure will support Mizuho Securities in advancing its global business strategy and delivering higher-value financial products and services to a wider customer base. Installation of the liquid cooling equipment, network buildout, and operational validation will begin this fall, with the system scheduled to go into production in mid-2027.

Mizuho Securities’ Global Markets department provides customers in Japan and around the world with a broad range of financial products and services, including public and corporate bonds, equities and derivatives. Simulations for derivatives pricing and quantification of market risk and counterparty credit risk involve more than 360 million calculations per day, with the volume increasing each year.

As its business grows, Mizuho Securities needs to scale its system resources and strengthen the infrastructure needed to sustain consistent compute performance in order to deliver higher-value financial products and services to a wider customer base. Against this backdrop and with an eye toward the next generation of financial systems, Mizuho Securities will deploy the HPE Cray XD2000 featuring direct liquid cooling.

“HPE systems have long underpinned Mizuho Securities’ financial business, and we are delighted that Mizuho Securities is the first in Japan’s financial sector to select HPE Cray XD2000 featuring direct liquid cooling as the foundation for its next stage of growth,” said Hirokazu Mochizuki, senior vice president and managing director for HPE Japan. “As Mizuho Securities advances its global business, we see consistent, sustainable compute performance as vital to supporting increasingly demanding financial simulations. Drawing on more than 50 years of liquid cooling technology and HPC expertise, HPE looks forward to deepening this longstanding relationship and supporting the company as it continues to grow and deliver greater value to its customers.”

To meet current cooling requirements while accommodating future system expansion, Mizuho Securities is building a new data center designed for liquid cooling. The HPE Cray XD2000 is a density-optimized, scale-out compute system. In this configuration, direct liquid cooling removes heat directly from key components, delivering up to 20% performance improvement per kilowatt over air-cooled solutions and consuming 15% less power¹. With the new system, Mizuho Securities expects 1.6 times the performance per server node compared with its current environment².

“Mizuho Financial Group is advancing its Global Corporate and Investment Banking strategy, which integrates commercial banking and investment banking capabilities on a global scale,” said Ken Utsunomiya, Operating Officer, CIO, CPrO, Head of Global IT and Head of Global Operations, Mizuho Securities. “To execute this strategy and deliver higher-value financial products and services to more customers, strengthening our compute infrastructure by transitioning from air cooling to liquid cooling and ensuring reliable operations is essential to our continued business growth. Through this initiative, we will enhance our ability to address increasingly demanding and complex financial simulation requirements and deliver even greater value to our customers.”

HPE Services will provide monitoring and maintenance support, including real-time visibility into the operating status of the direct liquid cooling and power infrastructure and automated coolant leak alerts, to help ensure the operational stability of the organization’s first direct liquid-cooled system.

The initial deployment will comprise eight server nodes, with Mizuho Securities planning to expand the number of servers and racks in stages while assessing the benefits in its production environment. The company plans to validate the effectiveness of direct liquid cooling through this new system as it explores the use of GPU-accelerated compute for its future private AI infrastructure.

About HPE

HPE (NYSE: HPE) is a leader in essential enterprise technology, bringing together the power of AI, cloud, and networking to help organizations achieve more. As pioneers of possibility, our innovation and expertise advance the way people live and work. We empower our customers across industries to optimize operational performance, transform data into foresight, and maximize their impact. Unlock your boldest ambitions with HPE. Discover more at www.hpe.com.

Footnotes

¹ Based on estimates from internal performance testing conducted by HPE in April 2023 that compares an air-cooled HPE Cray XD2000 with the same system using direct liquid cooling. Using a benchmark of SPEChpc™2021, small, MPI + OpenMP, 64 ranks, 14 threads estimated results per server, the air-cooled system recorded 6.61 performance per kW and the DLC system recorded 7.98 performance per kW, representing a 20.7% difference. The same benchmark recorded results of 4539 watts for the air-cooled system’s chassis power and the DLC system recorded 3862 watts, representing a 14.9% difference.

² Compared with the current environment comprising HPE Apollo 2000 and HPE ProLiant systems.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261007376989/en/

Media Contacts:
Eri Yagihashi
eri.yagihashi@hpe.com

Source: Hewlett Packard Enterprise

Key Terms

direct liquid cooling technical

Direct liquid cooling is a method that removes heat from electronic components by bringing a coolant into close contact with the parts that generate heat, rather than relying on fans and air flow. For investors, it matters because it enables denser, more energy-efficient and potentially more reliable data centers or computing equipment—think of it as swapping a box fan for a targeted water jacket—lowering operating costs and supporting faster, higher-performance hardware.

derivatives pricing financial

The process and methods used to determine the current fair value of a derivative contract (such as options, futures, forwards and swaps) based on a pricing model and market inputs. Pricing combines observable inputs—current price of the underlying asset, strike or contract terms, time until expiry, interest rates, expected dividends or yields, and measures of volatility—with a mathematical model (for example Black–Scholes, binomial trees or Monte Carlo simulation) to produce a theoretical price or mark-to-market value; for over-the-counter contracts it also incorporates counterparty credit and liquidity adjustments. The result depends on the model’s assumptions and the quality of market data, so different models or input choices (for example implied vs historical volatility) can produce materially different prices.

counterparty credit risk financial

Risk that the other party in a financial contract will fail to meet its payment or delivery obligations, causing a loss to the holder of the contract. It is driven by the potential positive value of the contract to the holder at the time of counterparty default (for example, the replacement cost of a loan, derivative, or trade), and can be reduced by collateral, netting agreements, guarantees, or by limiting exposure; it is distinct from market risk, which arises from price moves, and from the counterparty's own funding or liquidity problems except insofar as those increase the chance of default.

gpu-accelerated compute technical

GPU-accelerated compute is the use of graphics processing units (GPUs) instead of, or alongside, central processors (CPUs) to perform general-purpose computing tasks that benefit from massive parallel processing. GPUs contain many smaller cores that can run thousands of similar calculations at once, so software written to use GPU APIs (for example CUDA or OpenCL) will run much faster for workloads like machine learning training and inference, large-scale simulations, video encoding, and certain data-parallel analytics; workloads that are inherently sequential or not parallelizable see little or no benefit. Implementations can run on local servers, dedicated appliances, or cloud instances, and require compatible hardware, drivers, and software to realize the acceleration.