Memory

IBM AS/400 & Power Systems Compatible Memory Upgrades

Upgrade or expand memory in your IBM AS/400, iSeries, and Power Systems servers with compatible DDR2, DDR3, and DDR4 DIMMs/DDIMMs at Data Tech Computer. We offer enterprise-grade memory modules for classic AS/400 (9406 series), Power5/Power5+, Power6/Power6+, Power7/Power7+, Power8, Power9, Power10, and select Power11 models — supporting IBM i (OS/400, i5/OS, IBM i), AIX, and Linux workloads. These modules deliver higher capacity, improved bandwidth, and reliability for virtualization, databases, ERP systems, in-memory processing, and high-availability environments.

Key Benefits for AS/400 & Power Systems Memory

Wide range: DDR2 (Power5/Power6), DDR3 (Power7/Power8), DDR4 (Power8/Power9), DDR5 (Power10/Power11)
Capacities from 1 GB (legacy DDR2) to 512 GB+ per module (DDR5 DDIMMs)
ECC and advanced error correction for mission-critical stability
Sold in matched kits (pairs/quads) for optimal channel population and performance
Full compatibility with IBM processor/memory controllers and OS versions
60-day warranty on all memory modules
Ideal for scaling older AS/400 & Power5/Power6 systems, refreshing Power7/Power8, or maximizing Power10/Power11 performance

Browse our featured memory options below, grouped by generation and compatible with AS/400, iSeries, and Power Systems.