Yep I have the WD MyCloud. Very good imho. Had it for a number of years, I have the 3tb version (I think). I use it for back-ups, for streaming music to my Sonos system, & also video to TV [using Plex]. Connects to your router via Ethernet cable [I have a BT Hub] and there are applications which you'll need initially to set it up; get these on the WD web site as downloads. There's also a 'my cloud' app for android so you can access & dl files remotely from your smartphone.
Google Home Hub review