IBM Power System S822 (Model: 8284-22A)

The IBM Power System S822 (Machine Type-Model: 8284-22A) is an enterprise-grade 2U rack-mount server powered by IBM POWER8 processors. Designed for compute-heavy enterprise workloads, database consolidation, and high-density virtualization, it provides scalable memory bandwidth and high I/O throughput.

Product Overview & Technical Specifications

1. System Architecture & Processor Options

• Machine Type & Model: 8284-22A

• Form Factor: 2U Rack-mount

• Socket Count: 1-Socket or 2-Socket configuration

• Processor Modules Available:

  • 6-Core 3.89 GHz POWER8 Processor Card (#EP20 / #EPD0)

  • 8-Core 3.02 GHz POWER8 Processor Card (#EP21 / #EPD1)

  • 8-Core 4.15 GHz POWER8 Processor Card (#EP22 / #EPD2)

  • 10-Core 3.42 GHz POWER8 Processor Card (#EP23 / #EPD3)

  • 12-Core 3.02 GHz POWER8 Processor Card (#EP24 / #EPD4)

• Maximum Capacity: Up to 24 POWER8 cores (2 x 12-core cards)

• Threading Technology: SMT8 (up to 8 hardware threads per physical core)

• Cache Structure:

  • L2 Cache: 512 KB per core

  • L3 Cache: 8 MB in-silicon eDRAM per core (up to 192 MB total)

  • L4 Cache: Up to 16 MB per memory buffer chip (off-chip eDRAM)

2. Memory Subsystem

• Memory Architecture: Custom DIMM (CDIMM) with integrated memory buffer chips

• CDIMM Slots: 16 total slots (8 slots per processor socket)

• Memory Capacity: 16 GB minimum; up to 1 TB maximum

• Supported Modules: 16 GB, 32 GB, and 64 GB DDR3 / DDR4 CDIMMs

• Peak Bandwidth: Up to 192 GB/s per socket (384 GB/s system aggregate)

3. Internal Storage & Media

• Drive Bay Configurations:

  • Standard: 8 x 2.5-inch Small Form Factor (SFF) SAS/SATA drive bays

  • Expanded: 12 x 2.5-inch SFF SAS/SATA drive bays

• Supported Media: SAS HDDs (10K/15K RPM), Enterprise SAS SSDs, NVMe PCIe drives (via adapter)

• RAID Support: Dual integrated SAS RAID controllers supporting RAID 0, 10, 5, 6, 50, 60 with write cache option

• Optical/Media Bay: 1 optional slimline bay for DVD-RAM or RDX drive

4. I/O Expansion & Connectivity

• PCIe Slots: Up to 9 PCIe Gen3 slots (requires dual-processor installation):

  • Up to 4 x PCIe Gen3 x16 slots (supporting CAPI – Coherent Accelerator Processor Interface)

  • Up to 5 x PCIe Gen3 x8 slots

• Network & Fiber Options: Dual/Quad-port 10GbE, 25GbE, 40GbE NICs, 8Gb/16Gb/32Gb Fibre Channel HBAs

• External Interfaces:

  • 4 x USB 3.0 ports (2 front, 2 rear)

  • 2 x RJ45 Flexible Service Processor (FSP) system management ports

  • 2 x Serial ports

5. Operating Systems & Virtualization

• Supported Platforms:

  • IBM AIX: AIX 6.1, 7.1, 7.2, 7.3 or later

  • IBM i: IBM i 7.1 (with technology refreshes), 7.2, 7.3 or later

  • Linux: Red Hat Enterprise Linux (RHEL 6.5/7.0+), SUSE Linux Enterprise Server (SLES 11/12+), Ubuntu Server (14.04+)

• Hypervisor: IBM PowerVM (Standard & Enterprise Editions) featuring Live Partition Mobility (LPM)

6. Physical & Electrical Specifications

• Dimensions:

  • Height: 86.4 mm (3.4 in / 2U)

  • Width: 441.9 mm (17.4 in)

  • Depth: 730.0 mm (28.7 in)

• Weight: Approximately 29.5 kg (65 lbs)

• Power Supplies: Redundant hot-plug 900W or 1400W AC Power Supplies (100–240V AC)