Synology - HAT5320 Enterprise Series 4TB 3.5" SATA III Internal Hard Drive

Reliable hard drives purpose-built for Synology systems in home and small office environments.The Synology advantage Durability: Designed for 24/7 operation Updates: Seamless firmware updates through DSM One-stop support: Fast troubleshooting from SynologyHard drives designed for Synology systemsSee how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.Superior dependabilityUsing 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans. Workload rating 300TB/year MTBF up to 1.2 million hoursComprehensive testingSynology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads. 500K+hours of testingEasy firmware updatesFirmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal.Tuned for performanceFirmware and operating system -level optimizations enable up to 27% faster sequential writes compared to similar-class third-party drives.

High-performance, reliable hard drives for Synology systemsEnterprise storage drives for Synology systemsSynology 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. The HAT5300 series bring unmatched reliability to Synology deployments. Performance: Up to 281 MB/s sustained data transfer Optimization: Up to 23% faster sequential read in Synology NAS Reliability: Purpose-built for Synology servers running 24/7 Updates: One-click drive firmware updates through DSMConsistent performance scalingThrough testing and optimizations, HAT5300 series HDDs has been tuned to deliver up to 23% higher sustained sequential read performance in demanding multi-user environments.Built for peak performanceHard drives designed for SynologySee how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration.Rigorous validationOver 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. Stress tests 1,000+ cycles Hours 500K+ Cumulative testingDurability for 24/7 environmentsWith an MTBF 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. MTBF rating up to 2.5 million hours Workload support 550TB/yearOne-click firmware upgradesAutomatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the chance of oversights.Accelerated RAID recoveryCompared to similar-class drives from other brands, Synology hard drives deliver up to 27% quicker drive repair speeds within RAID arrays.

Synology HAT3310 12TB Plus Series SATA III 3.5" Internal NAS HDD (HAT3310-12T)