4 Bay NAS (barebone), supports hot swapping, supports RAID 0, 1, 5, 6, 10, built-in 1 GB RAM, 3 USB 3.2 Gen 1 ports, dual GbE network ports, MyQnapcloud connects NAS to the internet, QFiles local network storage, QSync synchronize data across network for NAS backup, complete with accessories: power adapter, screws, 1000Mb LAN cable.