IBM Power S924 (9009-42A) Server Overview and Specs

The IBM Power S924 server is a high-performance, enterprise-class
POWER9 system designed to handle demanding workloads with unmatched reliability.
Ideal for hybrid cloud environments, analytics, and mission-critical applications,
the Power S924 (9009-42A) delivers scalable performance, flexible
I/O options, and up to 4 TB of high-speed DDR4 memory.

Processing Power

The S924 supports one or two POWER9 processor sockets, with configurations up to
24 active cores for exceptional scalability. Core options include:

• 8 or 16 cores at 3.8 – 4.0 GHz
• 10 or 20 cores at 3.5 – 3.9 GHz
• 11 or 22 cores at 3.45 – 3.9 GHz
• 24 cores at 3.4 – 3.9 GHz

All cores are active, ensuring maximum performance for critical business applications.

Scalable Memory

The Power S924 server supports up to 32 DDR4 DIMM slots and
4 TB of memory. Supported DIMM sizes include 8 GB, 16 GB, 32 GB, 64 GB, and 128 GB,
operating at speeds of 2133, 2400, or 2666 Mbps.
With Active Memory Expansion, workloads can be optimized using compression and decompression,
effectively increasing capacity without additional hardware.

Flexible Storage Options

The IBM Power S924 offers multiple backplane configurations with advanced
SAS RAID controller technology, delivering speed, reliability, and flexibility:

• #EJ1C: Twelve SFF-3 bays (expandable with split card #EJ1E)
• #EJ1D: Eighteen SFF-3 bays / Dual IOA with Write Cache
• #EJ1M: Twelve SFF-3 bays / RDX bays with expansion options
• #EC59: PCIe3 NVMe carrier card with two M.2 module slots

PCIe Expansion

With up to 11 PCIe Gen3 and Gen4 slots, the Power S924 provides the bandwidth needed for
networking, storage, and accelerator cards. PCIe Gen4 delivers up to double the performance of Gen3,
ensuring support for modern enterprise workloads.

Energy Efficiency

Intelligent cooling automatically adjusts airflow based on installed adapters, optimizing power usage
while maintaining performance. With EnergyScale technology and hot-swappable redundant
power supplies, the Power S924 is built for efficiency and resiliency.

Technical Specifications

Electrical

Dimensions

Memory & Expansion

The IBM Power S922, S914, and S924 servers are designed for performance and reliability,
starting with a minimum of 32 GB of memory. Systems are configured with paired memory modules to ensure
optimal speed and stability. Each server comes equipped with two 8 GB DDR4 modules (#EM60) as a solid
foundation, with plenty of room to scale as your business demands grow.

Memory Options

PCIe Slots

The Power S924 server supports up to 11 PCIe hot-plug slots depending on configuration:

• With two POWER9 processors: 11 PCIe slots (3 × x16 Gen4, 2 × x8 Gen4, 2 × x8 Gen3, 4 × x8 Gen3)
• With one POWER9 processor: 8 PCIe slots (1 × x16 Gen4, 1 × x8 Gen4, 2 × x8 Gen3, 4 × x8 Gen3)

PCIe Gen4 slots deliver up to twice the bandwidth of Gen3, ensuring compatibility with
modern adapters and expansion cards. IBM requires at least one PCIe Ethernet adapter
for proper server support. Intelligent cooling automatically adjusts fan speed for energy efficiency.

Backplanes

The Power S924 backplane options allow scalable storage and expansion flexibility:

• Two-processor configurations: up to 11 PCIe slots
• One-processor configurations: up to 8 PCIe slots
• Integrated smart cooling for PCIe adapters

Why Choose the IBM Power S924?

With scalable POWER9 processors, massive memory capacity,
flexible I/O expansion, and enterprise-class reliability, the
IBM Power S924 server is the perfect choice for organizations
that need to future-proof their IT infrastructure.
Whether you’re supporting mission-critical workloads, expanding into hybrid cloud,
or modernizing applications, the S924 delivers the performance and dependability you need.