Please see an earlier thread that discusses Windows 10 and slow transfer speeds.
WDMyCloud (2TB) slow under Windows10 & some programs can’t access files
Then review the following thread.
before you pack up your WD and return it, let’s talk about Copying Speeds!
Then use the forum search feature as there are several other threads discussing slow transfer speeds with the WD My Cloud, there may be additional suggestions in those threads.
