Synology HAS5310-20T 20TB 3.5in SAS Enterprise HDD

Expand storage without compromising the discipline of an enterprise array. The Synology HAS5310-20T delivers 20TB of SAS capacity in a 3.5-inch drive built for Synology environments that need large-scale, dependable disk storage. For infrastructure teams, the value is not just raw capacity — it is the confidence that the drive belongs in the platform, with the right interface and form factor for long-term deployment. This class of drive is chosen when storage density, compatibility, and operational consistency matter more than consumer-grade price points. In NAS and server systems, enterprise hard drives help keep rebuilds, expansions, and replacement cycles predictable. That matters when the array holds production data, backups, or archive workloads that cannot tolerate avoidable friction. Use this drive when you need to add capacity to a Synology system with a part designed for enterprise storage roles. It is a straightforward choice for organizations that want to keep procurement aligned to the platform and avoid the hidden cost of mismatched hardware.