The previous name of IBM's Intel-based server family. In 2006, IBM changed its naming from zSeries, xSeries, etc. to System z, System x, etc. See System x and IBM branding.
"xSeries." YourDictionary, n.d. Web. 18 May 2018. <http://www.yourdictionary.com/xseries>.
xSeries. (n.d.). Retrieved May 18th, 2018, from http://www.yourdictionary.com/xseries