The Ubiquiti UniFi UNAS-2 is a compact, 2-bay NAS for UniFi environments, featuring two 3.5" SATA HDD/SSD bays, a 2.5 GbE RJ45 port, and a 5 Gbps USB-C port for expansion. It runs on a quad-core ARM Cortex-A55 processor with 4GB RAM, is powered via PoE++ (60W adapter included), and features a 1.47" LCM display.