Model: TS5420DN8004
from $2,599.99
Storage: 4 x 20TB
5 configurations available
The Buffalo TeraStation 5420DN is an 80TB 4-Bay Desktop NAS Server, pre-configured with four 20TB SATA III 3.5" HDDs, designed for robust data storage and sharing. Powered by an Annapurna Labs Alpine AL524 Quad-Core processor and 8GB of DDR4 memory, it supports multiple RAID configurations including 0, 1, 5, 6, and 10, as well as JBOD, ensuring data integrity and performance. With dual Gigabit Ethernet ports and a 10GbE port, along with USB 2.0 and 3.0 connectivity, this NAS is ideal for small to medium businesses or demanding home users requiring high-capacity, reliable network storage compatible with Windows and macOS environments.
Buy based on the software ecosystem (e.g. Available from $2,599.99.
NAS (Network Attached Storage) devices run 24/7, making power consumption a steady, though low, cost. The real ongoing expense is replacing hard drives as they fail or filling empty bays to expand storage.
Common Failure Modes
Hard drive failure is the most common issue, which is why NAS uses RAID redundancy to prevent data loss. Fan failures and power brick deaths are the primary hardware issues for the enclosure itself.
Buy based on the software ecosystem (e.g., Synology DSM) and the number of drive bays you need for redundancy and future expansion. CPU power matters greatly if you plan to run media servers like Plex.
The NAS enclosure itself can last a decade. However, the hard drives inside are consumable and typically need replacing every few years depending on workload.
The Buffalo TeraStation 5420DN 80TB 4-Bay Desktop NAS Server (4 x 20TB) is available at bhphoto, cdw, starting at $2,599.99.
NAS (Network Attached Storage) devices run 24/7, making power consumption a steady, though low, cost. The real ongoing expense is replacing hard drives as they fail or filling empty bays to expand storage.
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