Synology HAT5300-4T internal hard drive 4 TB 7200 RPM 256 MB 3.5" Serial ATA III

Enterprise storage drives for Synology systems
Synology HAT5300 HDD offers class-leading performance thanks to tight integration with DSM and Synology hardware. With over 300,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty, the HAT5300 series brings unmatched reliability to Synology deployments.
Consistent performance scaling
Through testing and optimizations, HAT5300 series HDD has been tuned to deliver up to 23% higher sustained sequential read performance in demanding multi-user environments.
Rigorous validation
Over 300,000 hours of stress testing with Synology devices ensure that HAT5300 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
HAT5300 series HDD is backed by a 2.5 million hour MTTF rating, workload support 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 drives are backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment.