Synology HAT5310-20T 20TB 3.5" SATA NAS Hard Drive

The Synology HAT5310-20T 20TB 3.5" SATA NAS Hard Drive is an enterprise-grade Synology NAS hard drive designed for reliable storage, backup, business data workflows, and high-capacity Synology NAS deployments.

With 20TB capacity, a 3.5" form factor, SATA 6Gb/s interface, 7,200 rpm rotational speed, and sustained transfer performance of up to 281MB/s, the HAT5310-20T is built for supported Synology systems that require dependable high-capacity storage.

Product Overview

The Synology HAT5310-20T is designed for customers who need large-capacity, reliable NAS storage for supported Synology systems.

It is suitable for business file storage, centralized backup, archive storage, surveillance recording, media libraries, RAID storage pools, and enterprise storage expansion.

As part of Synology’s enterprise hard drive range, the HAT5310-20T is intended for environments where compatibility, consistent operation, and long-term storage reliability matter.

Key Features

• 20TB Synology Enterprise Series NAS hard drive
• 3.5" SATA HDD form factor
• SATA 6Gb/s interface
• 7,200 rpm rotational speed
• Maximum sustained data transfer speed of up to 281MB/s
• Designed for compatible Synology NAS and storage systems
• Suitable for business storage, backup, archive, and high-capacity NAS workflows
• Typical active idle power consumption of 4.38W
• Typical random read/write power consumption of 8.11W
• Operating temperature range of 5°C to 60°C
• Backed by a 5-year warranty

Recommended Use Cases

• Synology NAS storage expansion
• Business file storage
• Centralized backup storage
• Archive and long-term data storage
• Surveillance recording storage
• Media and project storage
• RAID storage pools in compatible Synology systems
• High-capacity NAS deployments
• Business continuity and data protection workflows

Specifications

• Brand: Synology
• Model: HAT5310-20T
• Product Type: Enterprise NAS Hard Drive
• Capacity: 20TB
• Form Factor: 3.5"
• Interface: SATA 6Gb/s
• Rotational Speed: 7,200 rpm
• Maximum Sustained Data Transfer Speed: Up to 281MB/s
• Active Idle Power Consumption: 4.38W typical
• Random Read / Write Power Consumption: 8.11W typical
• Operating Temperature: 5°C to 60°C
• Non-Operating Temperature: -40°C to 70°C
• Warranty: 5 Years

Performance and Reliability Features

• Enterprise NAS drive designed for supported Synology storage systems
• High-capacity 20TB storage for demanding NAS environments
• 7,200 rpm rotational speed for consistent storage performance
• Sustained transfer performance of up to 281MB/s
• Suitable for backup, archive, storage pools, surveillance, and NAS expansion
• 5-year warranty support

Compatibility Note

Please check that this hard drive is compatible with your Synology NAS or storage system before ordering.

This product is a 3.5" SATA NAS hard drive and must be installed into a compatible Synology NAS or supported storage system.

Before ordering, please confirm:

• Your Synology NAS supports the HAT5310-20T
• Your NAS supports 3.5" SATA hard drives
• The required drive capacity and usable RAID capacity
• Your intended RAID or storage pool configuration
• Whether multiple drives are required for your setup
• Your backup, archive, surveillance, or file storage workload requirements

What’s in the Box

• Synology HAT5310-20T 20TB 3.5" SATA NAS Hard Drive