Memory

IBM AS/400 & Power Systems Compatible Memory Upgrades

The Memory category on DataTechComputer.com provides a wide range of compatible memory upgrades for IBM iSeries / AS/400, Power Systems, and related servers. These include DDR3, DDR4, and DDR5 Registered DIMMs (RDIMMs), Load-Reduced DIMMs (LRDIMMs), and custom memory kits for classic 9406 models through modern Power10/Power11 generations. All modules are tested for compatibility with IBM i, AIX, and Linux on Power, offering increased capacity, higher bandwidth, and improved performance for workloads such as databases, ERP, virtualization, and analytics. Memory is sold as individual DIMMs or matched kits, with capacities from 4 GB to 128 GB per module depending on the system generation.

Key Memory Types and Compatibility

DDR3 (Classic & Power7/Power8 era): Common for 9406 models (e.g., 170–840), Power5/Power6/Power7 systems (520, 550, 570, 720, 740, 770, 795), and early Power8 (e.g., 8284-22A). Typical speeds 1066–1866 MHz, capacities 4–32 GB per DIMM.
DDR4 (Power8 / Power9 era): Used in Power8 (S822, S824), Power9 (S914, S922, S924, E950, E980), and some Power10 configs. Speeds 2133–3200 MHz, capacities 16–128 GB per DIMM (RDIMM/LRDIMM).
DDR5 (Power10 / Power11 era): Latest high-bandwidth memory for Power10 (S1012, S1014, S1022, S1024) and Power11 systems. Speeds up to 5600 MHz+, capacities 32–256 GB per DIMM, optimized for AI/ML and large in-memory databases.

Featured Example Listings (Typical Specs)

Power10 / Power11 DDR5 Memory: 64 GB, 128 GB, 256 GB RDIMMs/LRDIMMs for S1014, S1022, S1024, E1080, etc.
Power9 DDR4 Memory: 32 GB, 64 GB, 128 GB modules for 9009-41A/42A, 9009-22A, E950, E980.
Power8 DDR4 Memory: 16 GB, 32 GB, 64 GB for 8284-22A, 8286-41A/42A, 8284-44A.
Power7 / Power7+ DDR3 Memory: 8 GB, 16 GB, 32 GB for 8202-E4B/E4C/E4D, 8231-E2B, 8233-E8B.
Classic AS/400 DDR3 / DDR2 Memory: 512 MB–8 GB modules for 9406-170, 250, 270, 520, 550, 800–840, 810, 820, 825.

These memory upgrades are fully tested, come with 60-day warranty, and are ideal for increasing capacity, boosting performance, or refreshing legacy IBM i systems.