Synology HAT5300Series Enterprise3.5-inch

Synology HAT5300 Series — enterprise-grade 3.5-inch SATA hard drives for Synology NAS systems, rated for 24/7 operation with up to 2.5 million hours MTTF and a 550 TB/year workload rating. Available from 4TB to 20TB.

The HAT5300 includes Persistent Write Cache technology to minimise data corruption risk in the event of sudden power loss. Firmware and DiskStation Manager (DSM) co-optimisation improves multi-client sequential read performance by up to 23% compared to standard drives. Automatic firmware updates via DSM keep the drives current without manual management. Designed for continuous use in multi-bay NAS systems handling active business workloads.

24/7 operation — up to 2.5 million hours MTTF

Persistent Write Cache — reduces data corruption risk on power loss

DSM firmware co-optimisation — up to 23% better multi-client sequential read