Western Digital - WD Elements 14TB USB 3.0 Desktop External Hard Drive WDBWLG0140HBK-NESN - Black

Hello, Please be informed that Universal Serial Bus (USB) is an interface standard that define how two devices work with each other. Real World Speed will vary by connection type, operating system, number of files, type of files, and folder structure. Please refer to the mentioned link to know more about the speed: https://support-en.wd.com/app/answers/detailweb/a_id/5043/kw/usb%20speed