Synology HAS5300 12TB SAS 3.5" Enterprise HDD

The Synology HAS5300 12TB SAS 3.5" Enterprise HDD is built for performance, reliability, and seamless integration in demanding enterprise environments. With a generous 12TB storage capacity and a high-speed SAS-3 12 Gb/s interface, it ensures fast and dependable data transfers—achieving up to 242 MB/s sustained throughput. A 256MB cache and 7200 RPM rotational speed further enhance performance under heavy workloads.

This drive has undergone more than 200,000 hours of rigorous testing on Synology systems, leading to an impressive Mean Time to Failure (MTTF) of 2.5 million hours and an annual workload rating of up to 550TB, making it exceptionally reliable for intensive 24/7 operations.

The firmware is specifically optimized for Synology systems, improving RAID rebuild times by up to 27% faster than similar enterprise drives. This ensures minimal downtime and faster recovery in mission-critical environments. Firmware updates are also fully integrated into Synology DiskStation Manager (DSM), simplifying drive maintenance and ensuring consistency across systems.

Equipped with persistent write cache technology, the HAS5300 protects data during unexpected power losses, ensuring data integrity and operational continuity. Its enterprise-grade durability and efficiency make it an ideal solution for large-scale deployments, virtualization, backup, and business-critical applications.

Key Features:

• 12TB capacity with SAS-3 12 Gb/s interface

• 7200 RPM and 256MB cache for high-speed performance

• Sustained data transfer rates up to 242 MB/s

• 2.5 million hours MTTF and 550TB/year workload rating

• Optimized firmware for Synology systems and RAID performance

• Simplified DSM-integrated firmware updates

• Persistent write cache for data protection

• Tested for full compatibility and reliability with Synology platforms

The Synology HAS5300 12TB isn’t just a high-capacity drive—it’s an enterprise-grade solution delivering performance, protection, and streamlined management for modern data-driven operations.