Synology HAT5320-20T 3.5-inch 20TB Serial ATA III Internal Hard Drive

Synology HAT5320-20T 3.5-inch 20TB Serial ATA III Internal Hard Drive

The Synology HAT5320-20T is a 20TB Enterprise Series 3.5-inch SATA hard drive engineered for demanding Synology storage environments. Combining a 7,200 RPM spindle speed with a SATA 6Gb/s interface, 1GB cache and typical sustained transfer speeds of up to 295MB/s, it is designed to provide consistent performance for enterprise storage, large-scale file services, surveillance and data-intensive workloads. A 2.5 million-hour MTBF rating, 550TB-per-year workload rating and five-year warranty provide the durability required for continuous professional storage deployments.

Key Features

• 20TB enterprise-class storage capacity.
• 3.5-inch SATA 6Gb/s hard drive.
• 7,200 RPM rotational speed.
• Up to 295MB/s typical sustained data transfer speed.
• 1GB cache for efficient data handling.
• Helium-sealed drive design.
• 512e sector format.
• 2.5 million-hour MTBF reliability rating.
• 550TB-per-year workload rating for demanding storage environments.
• Designed and validated for compatible Synology storage systems.
• DSM-integrated firmware management on supported Synology systems.
• 5-year limited warranty.

20TB Enterprise Storage

The HAT5320-20T provides 20TB of raw storage capacity in a standard 3.5-inch form factor. It is designed for enterprise and professional storage environments where large capacity, sustained operation and predictable performance are important requirements.

Up to 295MB/s Sustained Performance

A 7,200 RPM spindle speed, SATA 6Gb/s interface and 1GB cache provide a typical maximum sustained data transfer speed of up to 295MB/s. This makes the drive suitable for demanding multi-user storage, large file transfers and other data-intensive workloads.

Designed for Synology Systems

Synology Enterprise Series hard drives are developed for close integration with compatible Synology storage systems. This hardware and software integration is designed to provide consistent storage performance while simplifying drive management and firmware maintenance through supported Synology DSM environments.

Enterprise-Class Reliability

The HAT5320-20T is rated for a mean time between failures of 2.5 million hours and supports workloads of up to 550TB transferred per year. These enterprise-focused endurance specifications make it suitable for demanding storage systems operating with substantial read and write workloads.

Helium-Sealed Design

The 20TB HAT5320 uses a helium-sealed drive design. This construction supports the high-capacity internal architecture required by enterprise storage applications while maintaining the standard 3.5-inch hard drive form factor.

Five-Year Warranty

Synology backs the HAT5320-20T with a five-year limited warranty. The warranty period begins from the purchase date shown on the applicable purchase receipt, subject to Synology's warranty terms and conditions.

Technical Specifications

What’s in the Box:

• Synology HAT5320-20T 20TB Enterprise Series 3.5-inch SATA Hard Drive

The Synology HAT5320-20T combines 20TB of enterprise storage with a 7,200 RPM design, 1GB cache and sustained transfer performance of up to 295MB/s. With a 2.5 million-hour MTBF, 550TB-per-year workload rating, Synology system integration and a five-year warranty, it is designed for reliable high-capacity storage in demanding professional and enterprise environments.