Product Description
IBM EM91 16 GB DDIMMs DDR4 Memory
The IBM EM91 is a 16 GB DDR4 memory kit designed for IBM Power8 servers. It provides reliable, high-performance memory expansion for IBM i, AIX, and Linux workloads requiring additional capacity for databases, virtualization, and enterprise applications.
Product Description
The IBM EM91 (feature code EM91) is a 16 GB DDR4 memory kit consisting of one 16GB DDIMMs. It operates at 1600 MHz and is fully qualified for installation in Power8 systems. The kit uses registered DDR4 technology with ECC for maximum reliability and is optimized for the memory population rules of these servers, enabling balanced memory configurations while maintaining performance and stability in IBM i and AIX environments.
Features
16GB total capacity (1 x 16GB DDIMM)
DDR4 1600 MHz registered memory with ECC
High-reliability modules for efficient scalability
Hot-plug and concurrent maintenance support where applicable
Full IBM qualification and firmware support
Optimized for IBM i and AIX workloads on Power8.
Technical Specifications
Feature Code: EM91
CCIN: 31EC
Capacity: 16GB
Type: DDR4 Registered DIMM (DDIMM)
Speed: 1600 MHz
Form Factor: 288-pin DDR4
Compatibility: Power8
Compatibility
The IBM EM91 16GB DDIMM DDR4 Memory is compatible with:
Power Systems Models: Power8 (S814, S822, S824, E870, E880) with supported memory slots
Operating Systems: AIX 7.1+ / 7.2+ / 7.3+, IBM i 7.1+ / 7.2+ / 7.3+ / 7.4+ / 7.5+, Linux (RHEL/SUSE/Ubuntu), VIOS
Attachment: Direct installation in supported memory slots per IBM population rules
Limitations: Requires compatible Power8/Power9/Power10 configuration; memory population rules must be followed for optimal performance
Verify exact memory population rules, firmware levels, and OS patch levels via IBM documentation for your specific Power Systems model.
Warranty
This product comes with a 60-day warranty.
