In the context of the original post, it's the speed at which the camera can write to the card that is important.
Copyright © Nikonians 2000, 2014
All Rights Reserved
Nikonians®, NikoScope® and NikoniansAcademy™ are trademarks owned by Nikonians.org.
Nikon®, Nikonos® and Nikkor® are registered trademarks of Nikon Corporation.