NAS with RAID for streaming to Sonos Connect

Hi all,

My music library currently resides on a USB external HDD connected to my laptop.   If I reboot my laptop, or connect to a customer VPN (or my own company's VPN), the external HDD loses connectivity to SONOS of course.   Also my home office is farther away from the wifi router than optimal, and I need a better solution.

So I want to change to a dedicated NAS that will always be available to my SONOS Connect (which outputs via coax interface to my preamp >> booksheld speakers) and SONOS Play speakers.

With that in mind, an somebody recommend a simple home-use NAS with RAID?      We really don't watch movies,  and my music library is currently less than 1TB, but will grow in the future most likely, so a smaller, two-drive NAS should suffice, unless somebody has another suggestion.

I'm looking for something that I can buy in one shot with HDDs loaded, even if the base unit comes empty, I want to get everything from the same vendor in the same purchase if that makes sense.    I don't want to do excessive fiddling with it to get it to work.  It will sit on or under the bookshelves and attach (I hope) directly to the router.

Thanks in advance,

Eric Zwicky
Richmond VA