iSeries is midrange server line by IBM and has been designed for small
businesses. The iSeries system can act as a storage area network for
integrated Windows servers.
The iSeries system hosts RPG applications along with the newer application environments workloads like Java and Web
applications. The product line was formally known as AS/400 and was renamed in 2000 and introduced the V4R1 operating system and 800 line of servers.
While the iSeries system is unique from others in the eServer family, it shares some important features with its family members, which are the Series, zSeries and xSeries servers.