The NAS works great. Just made the decision to move to an Unraid setup. Comes with a power supply and all drive trays. No hard drives are included.The Synology DiskStation DS412+ is a 4-bay NAS device designed for network storage. With a sleek black design and compact 3.5-inch form factor, this NAS is compatible with various devices including iPhones, laptops, PCs, memory vaults, iOS, Macs, and Androids. It features hot plug support, password protection, a temperature sensor, and an in-built media server for versatile functionality. With its removable drive cartridge, low noise level, and remote access capabilities, the Synology DiskStation DS412+ is a reliable and convenient storage solution for home or office use.