Keep shared files, backups, and application data available on a platform sized for real business demand. The Buffalo TeraStation 5820DN delivers 128 TB of included storage across 8 x 16 TB NAS HDDs, giving IT teams a ready-to-deploy capacity base without piecing together drives separately. With 10GbE networking, it is built to move large files quickly across the LAN and reduce bottlenecks that slow down users and backup windows. RAID support adds the resilience expected in production storage, while iSCSI support broadens its role beyond simple file sharing. That makes this system a practical fit for departments that need centralized storage for collaboration, backup targets, or virtual infrastructure support. The TAA-compliant design also aligns with procurement requirements in regulated and public-sector environments. This is the kind of NAS chosen when lower-cost boxes are not enough. It is meant to hold up under daily access, protect data through drive failure scenarios, and provide a cleaner path for IT standardization. For teams that value predictable operation and a higher-confidence storage platform, the 5820DN earns its place.