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Unveiling IBM Power11: Experience Up to 2048 Threads and Enhanced DDIMM Support 

July 10, 2025
ColoCrossing
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IBM has officially launched its new Power11 line of servers, showcasing a comprehensive range of systems designed to cater to different operational needs. The offering spans from cost-effective single CPU servers to advanced 16-socket configurations with up to 2048 threads. This comprehensive lineup signifies an evolution from their previous release, the Power10, which was aimed at performance enhancement over its predecessors.

The thrust of the Power11 innovative design is to create a more modern, reliable, and secure platform compared to prior generations. This update comes with a focus on integrating artificial intelligence capabilities, such as the IBM watsonx Code Assistant for i. This tool aims to reduce the barriers for programmers who are accustomed to x86 and Arm architectures, facilitating a broader adoption of programming for the Power architecture.

A significant advancement is the introduction of custom accelerators, which IBM developed through its investments in AI-specific hardware. These innovations aim to enhance performance and expand applications beyond traditional systems. Additionally, IBM has addressed hybrid cloud needs with its PowerVS offering, enabling organizations to utilize both on-premises and cloud servers efficiently.

The Power11’s hardware capabilities are noteworthy. The IBM Power E1180 features a configuration that supports up to four sockets per server, with the potential to scale to a full rack system, combining four nodes with four CPUs each, leading to an impressive 256 cores and 2048 threads. This scalability is complemented by the systems’ use of DDIMMs, which IBM decided to integrate instead of conventional DDR5 modules, thus enhancing memory density and performance.

Further, IBM has introduced various models within the Power11 series, including the Power E1150 and Power S1124. Each model caters to different hardware demands, focusing on operational reliability and processing capacity. The S1124, in particular, is designed for smaller scale needs while retaining robust reliability features such as Spare Cores, which allow inactive cores to replace faulty ones, ensuring continuous operations.

Although IBM is making strides in enticing new customers, the company’s principal target remains its existing client base, aiming to deliver enhanced performance, features, and comprehensive software solutions. This strategy illustrates the ongoing commitment to supporting organizations that rely on IBM POWER systems while fostering a progressive environment for advanced computing solutions.


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Samantha Rattner

Samantha Rattner is the Marketing Specialist at ColoCrossing with a keen understanding of the hosting industry. Samantha brings valuable insights to help businesses optimize their hosting infrastructure. Through her articles and expert advice, Samantha guides readers in navigating the complexities of hosting solutions and staying ahead in the dynamic world of infrastructure hosting.