Editing Lenovo System x (section)

==History==
Starting out with the ''PS/2 Server'', then the ''IBM PC Server'', rebranded ''Netfinity'', then ''eServer xSeries'' and finally System x, these servers are distinguished by being based on [[Commercial off-the-shelf|off-the-shelf]] [[x86]] [[central processing unit|CPU]]s; IBM positioned them as their "low end" or "entry" offering compared to their POWER and Mainframe products.
Previously IBM servers based on [[AMD]] [[Opteron]] CPUs did not share the ''xSeries'' brand; instead they fell directly under the ''e''Server umbrella.  However, later{{when|date=December 2019}} AMD Opteron-based servers did fall under the System x brand.{{citation needed|date=December 2019}}