IBM Unveils AI-Optimized Mainframe z17

IBM has introduced the z17 mainframe, featuring the Telum II processor and Spyre Accelerator, designed to enhance AI workloads with increased efficiency and security.

IBM has announced the release of its latest mainframe, the IBM z17, designed to support AI workloads within enterprise infrastructure. The z17, powered by the IBM Telum II processor, introduces a new architecture with enhanced inference capacity and multi-model AI support, as detailed in a company blog post. This mainframe can perform over 450 billion inference operations daily, marking a 50% increase over its predecessor, the z16.

The z17 is equipped with the IBM Spyre Accelerator, a PCIe-based add-on available in Q4 2025, which will enable secure on-platform execution of large language models and other generative AI workloads. This reduces the need to move sensitive data off-platform, enhancing data security and processing efficiency.

IBM's new mainframe also features the upcoming z/OS 3.2 operating system, which supports AI-accelerated system management and modern data access methods. The z17 will be generally available on June 18, with the Spyre Accelerator following later in the year.

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