IBM Power Systems H922 and H924 Technical Overview and Introduction
An IBM Redpaper publication
Published 01 August 2018, updated 16 October 2018
IBM Form #: REDP-5498-00
Authors: Scott Vetter, Young Hoon Cho, Gareth Coates, Bartlomiej Grabowski
This IBM® Redpaper™ publication is a comprehensive guide that covers the IBM Power System H924 (9223-42H), and IBM Power System H922 (9223-22H) servers that support memory-intensive workloads such as SAP HANA, and deliver superior price/performance for mission-critical applications in IBM AIX®, IBM i, and Linux operating systems. The objective of this paper is to introduce the major innovative Power H92 and Power H922 offerings and their relevant functions:
- The new IBM POWER9™ processor, which is available at frequencies of 2.8 - 3.8 GHz, 2.9 - 3.8 GHz, 2.8 - 3.8 GHz, 3.4 - 3.9 GHz, 3.5 - 3.9 GHz, and 3.8 - 4.0 GHz.
- Significantly strengthened cores and larger caches.
- Two integrated memory controllers that allow doubled the memory footprint of IBM POWER8® servers.
- An integrated I/O subsystem and hot-pluggable Peripheral Component Interconnect Express (PCIe) Gen4 and Gen3 I/O slots.
- I/O drawer expansion options offer greater flexibility.
- Support for Coherent Accelerator Processor Interface (CAPI) 2.0.
- IBM EnergyScale™ technology provides new variable processor frequency modes that provide a significant performance boost beyond the static nominal frequency.
This publication is for professionals who want to acquire a better understanding of IBM Power Systems™ products. The intended audience includes the following roles:
- Sales and marketing professionals
- Technical support professionals
- IBM Business Partners
- Independent software vendors (ISVs)
This paper expands the current set of IBM Power Systems documentation by providing a desktop reference that offers a detailed technical description of the Power H92 and
Power H922 systems.
This paper does not replace the latest marketing materials and configuration tools. It is intended as an extra source of information that, together with existing sources, can be used to enhance your knowledge of IBM server solutions.
Table of contents
Chapter 1. General description
Chapter 2. Architecture and technical overview
Chapter 3. Virtualization
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