Ubiquiti UNAS-PRO8 is a 2U rack-mount NAS with 8x 2.5/3.5" hard drive bays, 2x M.2 NVMe SSD slots, 1x 10Gbps Ethernet Port and 2x 10Gbps SFP+ ports designed for large-scale file storage and sharing. The UNAS-PRO8 also features a 2GHz Quad-Core CPU and 2x Hot-swappable AC/DC 550W power modules for redundancy (1 module included). *Note: Hard drives are not included. Please ensure your HDDs meet Ubiquiti's general guidelines and aren't included in the list of incompatible models.