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    • For IBM AS400 Older Models

    IBM Expansions for Older AS/400 Models - PCI-X Towers & Storage Units

    Discover reliable expansion solutions for older IBM AS/400 and early iSeries systems. These PCI-X towers, storage expansion units, and I/O enclosures add disk bays, PCI slots, and I/O capacity to support legacy workloads in OS/400 environments. Designed for rack or tower setups, they connect via SPD, RIO/HSL, or direct attachment for enhanced scalability on classic AS/400 hardware.

    Why Choose Expansions for Older AS/400 Models?

    Older AS/400 systems (e.g., Models 500/510/530, 270, AS/400e 7xx, migration from 640/S30/730) benefit from modular expansions to increase storage and PCI/PCI-X adapter capacity without replacing core hardware. PCI-X towers (0595/5095) provide disk bays and slots, while storage units (505x series) add high-capacity disk options. These expansions support Ultra SCSI/Ultra2 SCSI interfaces, hot-swap where applicable, and integrate via SPD or RIO/HSL for redundancy and growth. Ideal for maintaining legacy OS/400 applications requiring expanded I/O and storage.

    Available IBM Expansions for Older AS/400 Models

    • IBM 0595 PCI-X Tower Unit in Rack Feature Code: 0595 Racked version of 5095 PCI-X tower. Holds 12 disk units and 7 PCI slots. Provides scalable storage and I/O expansion for older AS/400 and iSeries systems.
    • IBM 5095 PCI-X Expansion Tower Feature Code: 5095 Stand-alone PCI-X expansion tower. Holds 12 disk units and 7 PCI slots. Compatible with older AS/400 models for adding I/O and storage capacity.
    • IBM 5051 Storage Expansion Unit Feature Code: 5051 8-disk slot expansion unit for system unit. Compatible with Models 500 and 510. Adds disk capacity for legacy storage needs.
    • IBM 5052 Storage Expansion Unit Feature Code: 5052 16-disk slot expansion. Compatible with Models 500, 510, 530 or towers like #5070/#5072. Ideal for increasing storage in older iSeries/AS/400 environments.
    • IBM 5055 Storage Expansion Unit Feature Code: 5055 8-disk slot expansion for Ultra SCSI disk units. Supports legacy storage growth on compatible AS/400 models.
    • IBM 5057 Storage Expansion Unit Feature Code: 5057 16-disk slot unit, often paired with #5077 Migration Tower II. Provides substantial storage expansion for migrations from Models 640, S30, 730.
    • IBM 5058 Storage Expansion Unit Feature Code: 5058 16-disk slot expansion with battery backup unit. Enhances reliability for storage-intensive legacy workloads on Models 500, 510, 530.
    • IBM 5065 Storage/PCI Expansion Tower SPD Feature Code: 5065 Combined storage/PCI tower with 45 disk slots and 12 PCI slots. Supports Ultra2 SCSI for high-capacity legacy expansions on AS/400e 7xx models.
    • IBM 5074 PCI Expansion Tower HSL Feature Code: 5074 PCI expansion tower with 45 disk slots, 14 PCI slots, and two removable media bays. HSL-attached for high-performance I/O on compatible older models.
    • IBM 5075 PCI Expansion Tower Feature Code: 5075 PCI expansion tower with 6 disk slots and 7 PCI slots, includes 32MB PCI IOP. Compact I/O addition for Model 270 and similar legacy systems.
    • IBM 0588 PCI-X Expansion Unit in Rack Feature Code: 0588 Rack-mounted PCI-X expansion unit with 14 PCI-X slots (equivalent to #5088 in #0551 rack). Adds adapter capacity for older AS/400 systems.

    Note: These expansions primarily use PCI-X, SPD, and Ultra SCSI/Ultra2 SCSI technology. Compatibility varies by model (e.g., Models 500/510/530, 270, AS/400e 7xx). Always verify exact cable/controller requirements for your specific legacy AS/400 model.

    Compatibility & Support

    These expansions are compatible with older IBM AS/400 and early iSeries systems, including but not limited to Models 500, 510, 530, Model 270, AS/400e 7xx series, migration from Models 640, S30, 730, and compatible racks, towers, and configurations.

    Refer to individual product pages for exact connection requirements, supported adapters/drives, OS/400 support details, and installation notes. All items include a 60-day limited warranty.

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