Editing Flash memory (section)

==Transfer rates==
Flash memory devices are typically much faster at reading than writing.<ref name="master2010">{{cite journal |last1=Master |first1=Neal |last2=Andrews |first2=Mathew |last3=Hick |first3=Jason |last4=Canon |first4=Shane |last5=Wright |first5=Nicholas |title=Performance analysis of commodity and enterprise class flash devices |journal=IEEE Petascale Data Storage Workshop |date=2010 |url=http://www.pdsw.org/pdsw10/resources/papers/master.pdf |url-status=live |archive-url=https://web.archive.org/web/20160506160509/http://www.pdsw.org/pdsw10/resources/papers/master.pdf |archive-date=6 May 2016}}</ref> Performance also depends on the quality of storage controllers, which become more critical when devices are partially full.{{vague|date=December 2020}}<ref name="master2010" /> Even when the only change to manufacturing is die-shrink, the absence of an appropriate controller can result in degraded speeds.<ref name="dailytech-20091002">{{Cite news |last=Ng |first=Jansen |title=Samsung Confirms 32nm Flash Problems, Working on New SSD Controller |work=dailytech.com |url=http://www.dailytech.com/article.aspx?newsid=16407 |url-status=dead |access-date=3 October 2009 |archive-url=https://web.archive.org/web/20160304003356/http://www.dailytech.com/article.aspx?newsid=16407 |archive-date=4 March 2016 }}</ref>