Hi ,I have qnap 469l pro, with 4x4tb drives , running in 5, my main us is home entertainment, 3 tvs,NUC i7, 1 Android box,2 Bose soundtouch and a number of iPads/ laptops.
Several cat 5e points running through standard plus net router ( suppler of internet service), NAS located in large cupboard.
Use Plex and Kodi on devices.
Issues ,slow connection buffering on devices ( wired) old NAS.
Would like to update NAS, have Bluetooth via usb.
I am not a experienced on matters of NAS but manage ok , due to having time being retired