As400 -

The AS/400's longevity is largely due to its unique, forward-thinking architecture:

: Everything on the system—files, programs, and devices—is treated as an object , which significantly enhances security and stability.

The platform has undergone several name changes, often causing confusion for those outside the industry: The AS/400's longevity is largely due to its

: Unlike other servers, the Db2 for i relational database is built directly into the operating system.

: Hardware consolidated into IBM Power Systems , with the operating system becoming IBM i . Core Architectural Features Core Architectural Features Over worldwide—including 16

Over worldwide—including 16,000 banks—still rely on this platform for mission-critical workloads.

: This architecture treats all RAM and disk storage as one massive virtual address space, simplifying data management. Why It’s Still Relevant in 2026 and devices—is treated as an object

: This layer separates applications from the underlying hardware, allowing companies to upgrade to new processors (like Power10) without modifying their software.