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IBM branding

IBM products have undergone numerous evolutions and name changes over the years. In the following summary, the latest series is at the top of each list:


 MAINFRAMES
 "Z" BRANDS

 System z (renaming of zSeries)

 eServer zSeries (evolved from System/390)

 System/390 (followed System 370)

 System/370 (followed System 360)

 System/360 (original system)


 x86-BASED SERVERS
 "X" BRANDS (Acquired by Lenovo in 2014)

 System x (renaming of xSeries)

 eServer xSeries (renaming of Netfinity)

 Netfinity (renaming of PC Server)

 PC Server (original system)


 MIDRANGE BUSINESS SYSTEMS
 "I" BRANDS

 Power Systems (System i and p merged)

 System i (renaming of iSeries)

 i5 (evolution of iSeries)

 eServer iSeries (renaming of AS/400)

 AS/400 (System/38 evolution of
          and support for System/36)

 System/38 (original system)

 System/36 (original system)


 SCIENTIFIC & TECHNICAL WORKSTATIONS
 "P" BRANDS

 Power Systems (System i and p merged)

 System p (renaming of pSeries)

 p5 (evolved from pSeries)

 eServer pSeries (renaming of RS/6000)

 RS/6000 (original system)





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Before/After Your Search Term
BeforeAfter
IBIPIBM card
IBISIBM-compatible mainframe
IBMIBM-compatible PC
IBM 1401IBM format
IBM 1410IBM i
IBM 360IBM mainframes
IBM 370IBM midrange computers
IBM 650IBM minicomputers
IBM 701IBM Notes
IBM-Apple allianceIBM or Mac

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