As400 | Proven & High-Quality

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

: This architecture treats all RAM and disk storage as one massive virtual address space, simplifying data management. Why It’s Still Relevant in 2026 : Unlike other servers, the Db2 for i

: Everything on the system—files, programs, and devices—is treated as an object , which significantly enhances security and stability. The AS/400's longevity is largely due to its

The AS/400's longevity is largely due to its unique, forward-thinking architecture: The (Application System/400), introduced in 1988, is a

: AS/400 launched as the successor to System/36 and System/38. 2000 : Rebranded as iSeries . 2006 : Renamed System i .

The (Application System/400), introduced in 1988, is a renowned family of midrange computers designed for business applications. While the original hardware is no longer in production, its core architecture lives on in today’s IBM Power Systems running the IBM i operating system. Evolution and Rebranding