Lenovo System x

System x
Roadrunner supercomputer x86 nodes
(IBM System x3755 servers)
DeveloperIBM (2006–2014)
Lenovo (2014–2017)
TypeServer
Release date2006 (2006)
Discontinued2017 (2017)
CPUx86
PredecessoreServer xSeries
SuccessorLenovo ThinkSystem
IBM NeXtScale
RelatedLenovo ThinkServer

System x is a line of x86 servers produced by IBM, and later by Lenovo, as a sub-brand of IBM's System brand, alongside IBM Power Systems, IBM System z and IBM System Storage. In addition, IBM System x was the main component of the IBM System Cluster 1350 solution.

In January 2014, IBM announced the sale of its x86 server business to Lenovo for $2.3 billion, in a sale completed October 1, 2014.