IBM Power System E880 (Model 9119-MHE)
IBM 9119-MHE Power8 Server
Enterprise stock · tested · export documentation available
Technical Specifications Summary
| Feature | Specification |
| Machine Type & Model | 9119-MHE (IBM Power System E880) |
| Processor Architecture | IBM POWER8 Dual-Chip Module (DCM) / Single-Chip Module (SCM) |
| System Building Blocks | 1 to 4 System Nodes (5U each) + 1 System Control Unit (SCU, 2U) |
| Maximum Cores | Up to 192 cores (Up to 48 cores per 5U node) |
| Threads per Core | SMT8 (8 simultaneous threads per core; up to 1,536 threads total) |
| Maximum System Memory | Up to 64 TB DDR3 / DDR4 CDIMM memory across 4 nodes |
| Peak Memory Bandwidth | Up to 922 GB/s per system node |
| System Bus Bandwidth | Up to 1.8 TB/s inter-node fabric bandwidth |
| PCIe Adapter Slots | Up to 32 PCIe Gen3 x16 slots (8 per node); up to 192 slots via I/O drawers |
| Virtualization | PowerVM Enterprise Edition (included) |
Processor & Memory Configurations
The 9119-MHE scales non-disruptively by adding 5U system nodes to the central System Control Unit (SCU).
Processor Options
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4.35 GHz POWER8: 32-core feature (#EPBB) per node, scaling to 192 cores max.
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4.19 GHz POWER8: 32-core feature (#EPBC) per node, scaling to 192 cores max.
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4.02 GHz POWER8: 40-core feature (#EPBA) per node, scaling to 160 cores max.
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Cache Architecture: 512 KB L2 cache per core, 8 MB L3 cache per core, and up to 16 MB L4 cache per memory buffer chip.
Memory Architecture
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Custom DIMMs (CDIMMs): Employs enterprise buffered CDIMMs integrated with L4 cache chips for error resilience and high throughput.
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Capacity Options: Supports 16 GB, 32 GB, 64 GB, and 128 GB CDIMMs.
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Active Memory Mirroring: Optional protection for the Hypervisor to eliminate single points of memory failure.
I/O Infrastructure & Expansion
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Native Slots: Each 5U System Node contains 8 low-profile PCIe Gen3 x16 slots.
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PCIe Expansion Drawers: Connects up to 8x EXP24S / PCIe Gen3 I/O Expansion Drawers per node to expand adapter capacity.
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CAPI Support: Coherent Accelerator Processor Interface (CAPI) enables low-latency FPGA acceleration and high-speed flash storage integration directly over PCIe slots.
Supported Operating Systems
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IBM AIX: AIX 6.1, AIX 7.1, AIX 7.2 (or later)
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IBM i: IBM i 7.1 (with Tech Refresh), IBM i 7.2, IBM i 7.3 (or later)
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Linux for Power:
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Red Hat Enterprise Linux (RHEL 7.1+ / RHEL 8+)
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SUSE Linux Enterprise Server (SLES 11 SP3+ / SLES 12+)
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Ubuntu Server 14.04 LTS (or later)
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High Availability & RAS Features
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Redundant Hardware: Hot-swappable redundant power supplies, cooling fans, and redundant System Control Unit (SCU) clocks.
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Dynamic LPAR & LPM: Live Partition Mobility allows running virtual machines to move non-disruptively between physical servers.
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Capacity on Demand (CoD): Enables elastic processor and memory activation for peak workloads without physical hardware changes.









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