The TerraMaster F5-221 is a 5-bay NAS designed for home and small business users, featuring an Intel Celeron J3355 dual-core processor, 2GB of RAM (upgradable to 6GB), and support for up to 90TB of storage. It offers strong data security through features like Btrfs, RAID 5/6, and hardware encryption, while also supporting 4K video transcoding and private cloud storage with remote access. It includes two Gigabit LAN ports, two USB 3.0 ports, and runs the TerraMaster OS (TOS).
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