<ref name="Official specs">{{cite web|title=Wii U Technical Specs|url=https://www.nintendo.com/wiiu/features/tech-specs/|website=Nintendo|publisher=Nintendo|accessdate=August 1, 2014}}</ref>
<ref name="clock speeds">{{cite web|last1=Leadbetter|first1=Richard|title=Wii U has 1.24GHz CPU, 550MHz graphics core - report|url=http://www.eurogamer.net/articles/digitalfoundry-wii-hacker-reveals-wii-u-cpu-secrets|website=Eurogamer|publisher=Eurogamer|accessdate=August 1, 2014|date=November 29, 2012}}</ref>
<ref name="IBM CPU specs">{{cite web|title=IBM Microprocessors to Power the New Wii U System from Nintendo|url=http://www-03.ibm.com/press/us/en/pressrelease/34683.wss|website=IBM|publisher=IBM|accessdate=August 1, 2014|date=June 7, 2011}}</ref>
<ref name=Watson>{{cite web|last1=Michael|first1=Gorman|title=IBM puts Watson's brains in Nintendo Wii U|url=http://www.engadget.com/2011/06/07/ibm-puts-watsons-brains-in-nintendo-wii-u/|website=Engadget|publisher=Engadget|accessdate=August 1, 2014}}</ref>