Synology Enterprise 3.5" 20 TB Serial ATA III

Enterprise storage drives for Synology systems
Synology HAT5300 series HDDs offer class-leading performance thanks to tight integration with DSM and Synology hardware. With over 500,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty1, the HAT5300 series bring unmatched reliability to Synology deployments.

Performance
Up to 281 MB/s sustained data transfer2

Optimization
Up to 23% faster sequential read in Synology NAS3

Reliability
Purpose-built for Synology servers running 24/7

Updates
Automatic firmware updates with DSM

Consistent performance scaling
Through testing and optimizations, HAT5300 series HDDs has been tuned to deliver up to 23% higher sustained sequential read performance3 in demanding multi-user environments.

Built for peak performance
Rigorous validation
Over 500,000 hours of stress testing with Synology devices ensure that HAT5300 series drives can withstand even the most demanding enterprise environments and deliver highly reliable performance.

Effortless firmware updates
Automatic firmware updates through DSM mean that HAT5300 drives always benefit from the latest enhancements.

Durability for 24/7 environments
With an MTBF4 rating of up to 2.5 million hours, the HAT5300 series HDD supports a workload of 550 TB per year and persistent write cache technology to minimize data corruption in the event of sudden power loss.

5-year warranty
At Synology, we are committed to product innovation and quality. HAT5300 series drives are backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment.