SYNOLOGY Hard Drive Has5310 20t - 20TB - SAS 12gb/s - 3.5in - 7200rpm - High-performance Enterprise-grade

Synology HAS5310-20T is an internal 3.5" SAS hard drive with 20 TB capacity, 7200 RPM spindle speed and a 512 MB buffer. Designed for enterprise storage, this drive supports high workloads (up to 550 TB per year) and delivers dependable performance for systems that require large-capacity, sustained access.

Advantages

The drive combines high capacity and a 7200 RPM design to provide faster access times compared with lower-speed drives, while the SAS interface enables stable, enterprise-grade connectivity. With a mean time between failures (MTBF) of 2.5 million hours and a manufacturer-backed 5-year limited warranty, the HAS5310-20T is built for long-term reliability in multi-client environments.

Suitable for (tasks / use cases)

• Enterprise NAS and SAN storage arrays
• Database servers and virtualization hosts
• Large-scale backup and archiving systems
• High-concurrency file sharing and media repositories

Key specifications

• Capacity: 20 TB (20000 GB)
• Form factor: 3.5"
• Interface: SAS
• Spindle speed: 7200 RPM
• Buffer: 512 MB
• MTBF: 2,500,000 hours
• Weight: 0.72 kg
• MPN: HAS5310-20T
• EAN: 4711174725823

How to use

Install the Synology HAS5310-20T into a compatible 3.5" drive bay that supports SAS connectivity following the host system or chassis manufacturer's installation procedures. Configure the drive within your storage array or server firmware/OS, initialize it according to your RAID or volume requirements, and monitor drive health using management tools provided by the system or Synology's monitoring utilities.

Recommendations

For sustained reliability, deploy the HAS5310-20T in enterprise-class controllers or SAN/NAS enclosures with proper cooling and power protection. Use regular monitoring, firmware updates, and RAID or backup strategies appropriate to your data protection needs.