That's what is listed under 'Response Time' in the spec sheet for the HP 27vx. I don't know how to interpret this information haha. Please help.
Spec Sheet:
http://store.hp.com/wcsstore/hpusstore/pdf/m6v69aa.pdf
Spec Sheet:
http://store.hp.com/wcsstore/hpusstore/pdf/m6v69aa.pdf