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Synology HAS5300 3.5" SAS HDD
HAS5300-8T | HAS5300-12T | HAS5300-16T

Synology HAS5300 is designed to meet the capacity, efficiency, and reliability needs of modern enterprise deployments. Built to handle workloads up to 550 TB per year, it empowers host systems to serve large pools of concurrent clients. With a 2.5 million-hour MTTF and backed by Synology's 5-year limited warranty, HAS5300 meets the highest standards of dependability.

Product Highlights


  • Enterprise Reliability and Durability: For demanding 24/7 environments, rated for 2.5 millionhours MTTF and up to 550 TB per year workloads
  • Designed for Synology Enterprise Systems: Over 200,000 hours of stringent validation tests ensure maximum dependability on Synology SA and UC series solutions.
  • Persistent Write Cache: Minimizes the chance of data corruption in the event ofsudden power loss
  • Faster Array Rebuild: Up to 27% faster1 RAID array repair with firmware fine-tuned and optimized for performance
  • Automatic Firmware Updates: Firmware updates through DSM simplify maintenance
Technical Specifications
  • Model number:  HAS5300-8T HAS5300-12T HAS5300-16T
  • Capacity:  8 TB 12 TB 16 TB
  • Form factor: 3 3.5"
  • Interface : SAS 12 Gb/s
  • Sector size: 512e
  • Performance: Rotational speed 7,200 rpm
  • Interface speed:  12.0 Gb/s, 6.0 Gb/s, 3.0 Gb/s, 1.5 Gb/s
  • Buffer size:  256 MiB 512 MiB
  • Maximum sustained data transfer speed: (Typ.) 230 MiB/s 242 MiB/s 262 MiB/s
  • Reliability: Mean Time to Failure (MTTF) 5 2,500,000 hours
  • Workload rating:  550 total TB transferred per year
  • Power Consumption: Supply voltage 12 V (±10%) / 5 V (+10/-7%)