WD NAS Storage (Bacup OL13)

Obtained this from a fellow 'Freegler' who was upgrading his set-up a few years ago now and had change of circumstances/plans after I got this,so been sat in a cupboard under my desk ever since. Supposed to be a decent piece of tech according to you YouTube videos I've watched.
I'm guessing you'll just need suitable HDD's to drop in this and should be all good to go.
This came on it's own,no cables,manual or power supply etc. but I have plenty of power adapters to fit so I can let you have one if required.
Collection only please (OL13 area) as I do not drive anymore.
First to ask can take this as I really need to start downsizing my hoard LOL.
Thanks for looking.