Editing Cell (processor) (section)

===Blade server===
On August 29, 2007, IBM announced the [[BladeCenter]] QS21. Generating a measured 1.05 giga–floating point operations per second (gigaFLOPS) per watt, with peak performance of approximately 460&nbsp;GFLOPS it is one of the most power efficient computing platforms to date. A single BladeCenter chassis can achieve 6.4 tera–floating point operations per second (teraFLOPS) and over 25.8 teraFLOPS in a standard 42U rack.<ref>{{Cite press release |title=IBM Doubles Down on Cell Blade |date=August 29, 2007 |publisher=[[IBM]] |location=Armonk, New York |url=http://www.ibm.com/press/us/en/pressrelease/22258.wss |access-date=July 19, 2017}}</ref>

On May 13, 2008, IBM announced the [[BladeCenter]] QS22. The QS22 introduces the PowerXCell 8i processor with five times the double-precision floating point performance of the QS21, and the capacity for up to 32&nbsp;GB of DDR2 memory on-blade.<ref>{{Cite press release |title=IBM Offers High Performance Computing Outside the Lab |date=May 13, 2008 |publisher=[[IBM]] |location=Armonk, New York |url=http://www.ibm.com/press/us/en/pressrelease/24180.wss |access-date=July 19, 2017}}</ref>

IBM has discontinued the Blade server line based on Cell processors as of January 12, 2012.<ref>{{Cite news |last=Morgan |first=Timothy Prickett |date=June 28, 2011 |title=IBM to snuff last Cell blade server |url=https://www.theregister.co.uk/2011/06/28/ibm_kills_qs22_blade/ |access-date=July 19, 2017 |work=The Register}}</ref>