IBM Power System S922 (Model 9009-22A)

The IBM Power System S922 (9009-22A) is a 2U rack-mount server based on IBM POWER9 processor technology, built for data-intensive enterprise workloads, cloud infrastructure, and mission-critical applications running IBM AIX, IBM i, or Linux.

Hardware Specification Overview

Component	Specification
Machine Type / Model	9009-22A
Form Factor	2U Rack-mount
Processor Architecture	IBM POWER9 (14nm technology)
Processor Sockets	1 or 2 Sockets
Core Configurations	1-Socket: 4-core, 8-core, or 10-core 2-Socket: 16-core (2×8), 20-core (2×10), or 24-core (2×12)
Simultaneous Multithreading	SMT8 (up to 8 threads per core)
Memory Slots	32 DDR4 ISDIMM slots (16 DIMMs per socket)
Maximum System Memory	Up to 4 TB DDR4 (using 128 GB DIMMs)
Peak Memory Bandwidth	Up to 170 GB/s per processor socket
Internal Storage Bays	Up to 8 or 12 x 2.5-inch (SFF-3) SAS/SATA HDDs/SSDs, or enterprise NVMe drive backplanes
PCIe Slots	Up to 11 PCIe expansion slots (mix of PCIe Gen4 and Gen3)
Hypervisor	IBM PowerVM (included standard)
Supported Operating Systems	IBM AIX (7.1, 7.2+), IBM i (7.3, 7.4+), RHEL, SLES, Ubuntu Server
Power Supply Redundancy	Dual hot-swappable AC power supply units ($N+1$ redundancy)

Processor Configurations & Frequencies

• 1-Socket Processor Options:

  • 4-Core POWER9: 2.80 to 3.80 GHz

  • 8-Core POWER9: 3.40 to 3.90 GHz

  • 10-Core POWER9: 2.90 to 3.80 GHz

• 2-Socket Processor Options:

  • 16-Core POWER9 (2 x 8-Core): 3.40 to 3.90 GHz

  • 20-Core POWER9 (2 x 10-Core): 2.90 to 3.80 GHz

  • 24-Core POWER9 (2 x 12-Core): 2.80 to 3.80 GHz

Memory Subsystem

• Supported DIMM Capacities: 8 GB, 16 GB, 32 GB, 64 GB, and 128 GB DDR4 ISDIMMs running at speeds up to 2666 MHz.

• Direct Bus Topology: Direct connection between processor memory controllers and industry-standard DDR4 DIMMs reduces memory access latency and enhances power efficiency.

Storage Backplane Options

1. 8 x SFF-3 Bay Backplane: Supports up to 8 SFF-3 SAS/SATA drives with an optional integrated SAS RAID controller or split backplane feature.

2. 12 x SFF-3 Bay Backplane: Expanded internal storage capability for high-density local disk storage.

3. NVMe Backplane: High-performance direct-attached PCIe U.2 NVMe SSD bays for ultra-low latency write/read IOPS.

Expansion & Connectivity Options

• PCIe Slot Distribution:

  • Up to 2 x PCIe Gen4 x16 slots

  • Up to 4 x PCIe Gen4 x8 slots

  • Up to 5 x PCIe Gen3 x8 slots

• I/O Connectivity: Supports 10GbE, 25GbE, 40GbE, 100GbE network interface cards (NICs), and 16Gb/32Gb Fibre Channel host bus adapters (HBAs).

Physical & Environmental Specifications

• Dimensions ($H \times W \times D$): 86.6 mm x 482 mm x 762 mm (3.41 in x 18.97 in x 30.0 in)

• Maximum Weight: Approximately 30.4 kg (67 lbs) fully populated

• Power Supply Ratings: 1400W or 2000W AC units supporting auto-sensing input ranges (100–240V AC)