SYNOLOGY Hard Drive Hat5320 4t Enterprise – 4 TB – SATA 6 Gbit/s – 3,5" – 7200 U/min

The Synology HAT5320-4T is a 4 TB internal hard drive built for NAS environments and data-intensive applications. With a 7200 RPM spindle speed, 512 MB buffer and SATA 3.5" form factor, the drive delivers higher sequential read performance compared with similar-capacity drives and is optimized for large-scale video surveillance, multimedia post-production and enterprise file servers.

Advantages

The drive offers high endurance and reliability with a rated MTBF of up to 2,000,000 hours, a workload rating of 550 TB/year and persistent write cache technology. Firmware and Synology DSM integration enable streamlined maintenance, including one-click firmware updates that reduce update time to a few minutes and remove the need for command-line operations. Using Synology drives together with Synology systems simplifies support and infrastructure management.

Suitable for

• NAS systems for small and medium businesses
• Video surveillance storage and archival systems
• Multimedia post-production workflows
• Enterprise file servers and backup targets

Key specifications

• Capacity: 4 TB (4000 GB)
• Form factor: 3.5" SATA
• Rotational speed: 7200 RPM
• Cache buffer: 512 MB
• MTBF: 2,000,000 hours
• Workload rating: 550 TB/year
• Weight: 0.69 kg

How to use

Install the HAT5320-4T into a compatible 3.5" SATA drive bay following your NAS or server hardware instructions. Configure the drive within your Synology DSM or chosen storage management software, create or expand volumes and configure RAID or file-sharing settings according to your needs. Monitor drive health and performance through DSM’s storage manager and enable persistent write cache and other available features for sustained workloads.

Recommendations

For continuous, high-load environments, pair HAT5320-4T drives with Synology NAS or IP SAN systems and keep DSM up to date. Schedule regular backups and monitor SMART/health metrics to ensure long-term reliability.